This list of nuclides shows observed nuclides that either are stable or, if radioactive, have half-lives longer than one hour. This includes isotopes of the first 105 elements, except for 87 (francium), 102 (nobelium) and 104 (rutherfordium). More than 5,000 nuclides have been experimentally characterized, including isomers, of which this page presently includes 987.
There are presently 251 known stable nuclides. Many of these in theory could decay through spontaneous fission, alpha decay, double beta decay, etc. with a very long half-life, but this has not yet been observed. Thus, the number of stable nuclides is subject to change if some of these 251 have radioactive decay observed in the future. In this article, the "stable" nuclides are divided into three tables: one for nuclides that are theoretically stable (meaning no decay mode is possible) except to spontaneous fission, which is not considered plausible in this mass range; one for nuclides that can theoretically undergo forms of decay other than spontaneous fission but have no published lower bound on lifetime from experimental evaluations; and one for nuclides that can theoretically decay and have been examined without detecting any decay, allowing a lower bound to be published. In this last table, where a decay has been predicted theoretically but never observed experimentally (either directly or by finding an excess of the daughter), the theoretical decay mode is given in parentheses, and "> (lifetime in years)" is shown in the half-life column to show this lower limit in scientific notation. Such nuclides are considered to be "stable", also called "observationally stable" indicating the tentative nature of the conclusion, until some decay has been observed. For example, tellurium-123 was reported to be radioactive, but the same experimental group later retracted this report, and it is again listed as stable.
The next group is the primordial radioactive nuclides. These have been measured to be radioactive, or decay products have been identified in natural samples (tellurium-128, barium-130). There are 35 of these (see these nuclides), of which 25 have half-lives longer than 1013 years. For most of these 25, decay is difficult to observe, and for most purposes they can be regarded as effectively stable. Bismuth-209 is notable as it is the only naturally occurring isotope of an element long considered stable. The other 10, platinum-190, samarium-147, lanthanum-138, rubidium-87, rhenium-187, lutetium-176, thorium-232, uranium-238, potassium-40, and uranium-235, have half-lives between 7×108 and 5×1011 years, which means they have undergone at least 0.5% depletion since the formation of the Solar System about 4.6×109 years ago, but still exist on Earth in significant quantities. They are the primary source of radiogenic heating and radioactive decay products. Together, there are a total of 286 primordial nuclides. [a]
The list then covers the other radionuclides with half-lives longer than 1 hour, split into several tables in order of successively shorter lifetimes.
Some nuclides that have half-lives too short to be primordial can be detected in nature as a result of later production by natural processes, mostly in trace amounts. These include radionuclides occurring in the decay chains of primordial uranium and thorium (radiogenic nuclides), such as radon-222. Others are the products of interactions with energetic cosmic rays (the cosmogenic nuclides), such as carbon-14. This gives a total of about 350 naturally occurring nuclides, some of which are difficult to detect. Other nuclides may be occasionally produced naturally by rare cosmogenic interactions or as a result of other natural nuclear reactions (nucleogenic nuclides), and these are generally even less detectable.
Non-primordial nuclides may also be detected in the spectra of stars; technetium is well established, [2] and others have been claimed. The remaining nuclides are known solely from artificial nuclear transmutations. Some, such as caesium-137 and krypton-85, are detected in the environment, but only (or practically only) from deliberate or accidental release of artificial production, as fission products (from nuclear weapons or nuclear reactors), for industrial or medical uses, or otherwise.
Each group of radionuclides, starting with the longest-lived primordial radionuclides, is sorted by decreasing half-life, but the tables are sortable by other columns. All columns sort by usual lexicographical order; in the case of the nuclide column this gives order on the mass number A.
α | α decay |
β− | β− decay |
β−β− | double β− decay |
ε | electron capture |
β+ | β+ decay |
β+β+ | double β+ decay |
SF | spontaneous fission |
IT | isomeric transition |
Of the 701 non-primordial nuclides in the tables below, 101 have the label FP (99 true fission products), 65 IM, 32 DP, 24 CG, 13 ESS, and 7 both CG and ESS.
The tables are based now on the standard reference NUBASE2020 [4] and its companion, based on the same data, AME2020 [5] . All observational data not otherwise cited should be found in those sources, or calculated from them, and only observed data, not theoretical extrapolations, should be present in these tables.
These are the theoretically stable nuclides, ordered by "energy".
No. | Nuclide | A | Z | N | Energy (MeV) |
---|---|---|---|---|---|
1 | 56Fe | 56 | 26 | 30 | 9.153589 |
2 | 62Ni | 62 | 28 | 34 | 9.147873 |
3 | 60Ni | 60 | 28 | 32 | 9.145871 |
4 | 58Fe | 58 | 26 | 32 | 9.142961 |
5 | 52Cr | 52 | 24 | 28 | 9.137078 |
6 | 57Fe | 57 | 26 | 31 | 9.127143 |
7 | 59Co | 59 | 27 | 32 | 9.126060 |
8 | 54Cr | 54 | 24 | 30 | 9.125677 |
9 | 61Ni | 61 | 28 | 33 | 9.124138 |
10 | 55Mn | 55 | 25 | 30 | 9.120637 |
11 | 64Ni | 64 | 28 | 36 | 9.119740 |
12 | 66Zn | 66 | 30 | 36 | 9.11525 |
13 | 53Cr | 53 | 24 | 29 | 9.114481 |
14 | 63Cu | 63 | 29 | 34 | 9.112269 |
15 | 65Cu | 65 | 29 | 36 | 9.106144 |
16 | 68Zn | 68 | 30 | 38 | 9.10084 |
17 | 50Ti | 50 | 22 | 28 | 9.099956 |
18 | 51V | 51 | 23 | 28 | 9.094908 |
19 | 67Zn | 67 | 30 | 37 | 9.08446 |
20 | 48Ti | 48 | 22 | 26 | 9.081588 |
21 | 72Ge | 72 | 32 | 40 | 9.079456 |
22 | 70Ge | 70 | 32 | 38 | 9.07935 |
23 | 69Ga | 69 | 31 | 38 | 9.07607 |
24 | 88Sr | 88 | 38 | 50 | 9.070428 |
25 | 74Ge | 74 | 32 | 42 | 9.063513 |
26 | 49Ti | 49 | 22 | 27 | 9.062420 |
27 | 76Se | 76 | 34 | 42 | 9.061475 |
28 | 71Ga | 71 | 31 | 40 | 9.05919 |
29 | 78Se | 78 | 34 | 44 | 9.058830 |
30 | 90Zr | 90 | 40 | 50 | 9.057680 |
31 | 89Y | 89 | 39 | 50 | 9.056837 |
32 | 86Sr | 86 | 38 | 48 | 9.054145 |
33 | 82Kr | 82 | 36 | 46 | 9.054145 |
34 | 84Kr | 84 | 36 | 48 | 9.052739 |
35 | 73Ge | 73 | 32 | 41 | 9.047997 |
36 | 87Sr | 87 | 38 | 49 | 9.046951 |
37 | 75As | 75 | 33 | 42 | 9.04511 |
38 | 80Kr | 80 | 36 | 44 | 9.044987 |
39 | 77Se | 77 | 34 | 43 | 9.040143 |
40 | 85Rb | 85 | 37 | 48 | 9.037993 |
41 | 91Zr | 91 | 40 | 51 | 9.037204 |
42 | 83Kr | 83 | 36 | 47 | 9.035061 |
43 | 79Br | 79 | 35 | 44 | 9.03421 |
44 | 81Br | 81 | 35 | 46 | 9.03400 |
45 | 92Zr | 92 | 40 | 52 | 9.032829 |
46 | 46Ti | 46 | 22 | 24 | 9.030628 |
47 | 47Ti | 47 | 22 | 25 | 9.027437 |
48 | 44Ca | 44 | 20 | 24 | 9.013789 |
49 | 94Mo | 94 | 42 | 52 | 9.011893 |
50 | 93Nb | 93 | 41 | 52 | 9.00909 |
51 | 96Mo | 96 | 42 | 54 | 8.996265 |
52 | 95Mo | 95 | 42 | 53 | 8.994601 |
53 | 42Ca | 42 | 20 | 22 | 8.989111 |
54 | 38Ar | 38 | 18 | 20 | 8.984866 |
55 | 45Sc | 45 | 21 | 24 | 8.98404 |
56 | 97Mo | 97 | 42 | 55 | 8.973841 |
57 | 98Ru | 98 | 44 | 54 | 8.97157 |
58 | 43Ca | 43 | 20 | 23 | 8.964548 |
59 | 100Ru | 100 | 44 | 56 | 8.963592 |
60 | 99Ru | 99 | 44 | 55 | 8.956423 |
61 | 34S | 34 | 16 | 18 | 8.951662 |
62 | 40Ar | 40 | 18 | 22 | 8.947316 |
63 | 102Ru | 102 | 44 | 58 | 8.944910 |
64 | 101Ru | 101 | 44 | 57 | 8.942190 |
65 | 41K | 41 | 19 | 22 | 8.938624 |
66 | 39K | 39 | 19 | 20 | 8.938169 |
67 | 104Pd | 104 | 46 | 58 | 8.93089 |
68 | 37Cl | 37 | 17 | 20 | 8.929738 |
69 | 103Rh | 103 | 45 | 58 | 8.92599 |
70 | 36S | 36 | 16 | 20 | 8.923100 |
71 | 106Pd | 106 | 46 | 60 | 8.91950 |
72 | 105Pd | 105 | 46 | 59 | 8.91339 |
73 | 35Cl | 35 | 17 | 18 | 8.900276 |
74 | 108Pd | 108 | 46 | 62 | 8.90025 |
75 | 107Ag | 107 | 47 | 60 | 8.89755 |
76 | 110Cd | 110 | 48 | 62 | 8.892664 |
77 | 30Si | 30 | 14 | 16 | 8.885750 |
78 | 109Ag | 109 | 47 | 62 | 8.88526 |
79 | 32S | 32 | 16 | 16 | 8.884304 |
80 | 33S | 33 | 16 | 17 | 8.876950 |
81 | 31P | 31 | 15 | 16 | 8.859723 |
82 | 28Si | 28 | 14 | 14 | 8.838918 |
83 | 29Si | 29 | 14 | 15 | 8.826321 |
84 | 112Cd | 112 | 48 | 64 | 8.880022 |
85 | 111Cd | 111 | 48 | 63 | 8.875392 |
86 | 114Sn | 114 | 50 | 64 | 8.865702 |
87 | 113In | 113 | 49 | 64 | 8.862178 |
88 | 116Sn | 116 | 50 | 66 | 8.860335 |
89 | 115Sn | 115 | 50 | 65 | 8.854221 |
90 | 118Sn | 118 | 50 | 68 | 8.848037 |
91 | 117Sn | 117 | 50 | 67 | 8.843948 |
92 | 120Sn | 120 | 50 | 70 | 8.830466 |
93 | 119Sn | 119 | 50 | 69 | 8.828167 |
94 | 121Sb | 121 | 51 | 70 | 8.81181 |
95 | 122Te | 122 | 52 | 70 | 8.81159 |
96 | 124Te | 124 | 52 | 72 | 8.80135 |
97 | 123Sb | 123 | 51 | 72 | 8.79671 |
98 | 126Te | 126 | 52 | 74 | 8.78611 |
99 | 125Te | 125 | 52 | 73 | 8.78349 |
100 | 128Xe | 128 | 54 | 74 | 8.773354 |
101 | 127I | 127 | 53 | 74 | 8.77197 |
102 | 130Xe | 130 | 54 | 76 | 8.762706 |
103 | 129Xe | 129 | 54 | 75 | 8.758885 |
104 | 132Xe | 132 | 54 | 78 | 8.747674 |
105 | 131Xe | 131 | 54 | 77 | 8.746231 |
106 | 134Ba | 134 | 56 | 78 | 8.735124 |
107 | 133Cs | 133 | 55 | 78 | 8.733506 |
108 | 136Ba | 136 | 56 | 80 | 8.724900 |
109 | 135Ba | 135 | 56 | 79 | 8.722064 |
110 | 137Ba | 137 | 56 | 81 | 8.711620 |
111 | 138Ba | 138 | 56 | 82 | 8.710896 |
112 | 27Al | 27 | 13 | 14 | 8.708239 |
113 | 140Ce | 140 | 58 | 82 | 8.700420 |
114 | 139La | 139 | 57 | 82 | 8.698817 |
115 | 26Mg | 26 | 12 | 14 | 8.694954 |
116 | 141Pr | 141 | 59 | 82 | 8.68135 |
117 | 142Nd | 142 | 60 | 82 | 8.676600 |
118 | 24Mg | 24 | 12 | 12 | 8.651884 |
119 | 25Mg | 25 | 12 | 13 | 8.599029 |
120 | 156Gd | 156 | 64 | 92 | 8.536288 |
121 | 157Gd | 157 | 64 | 93 | 8.522426 |
122 | 158Gd | 158 | 64 | 94 | 8.518723 |
123 | 159Tb | 159 | 65 | 94 | 8.508630 |
124 | 23Na | 23 | 11 | 12 | 8.485660 |
125 | 163Dy | 163 | 66 | 97 | 8.478563 |
126 | 164Dy | 164 | 66 | 98 | 8.473560 |
127 | 22Ne | 22 | 10 | 12 | 8.436078 |
128 | 20Ne | 20 | 10 | 10 | 8.423415 |
129 | 16O | 16 | 8 | 8 | 8.367381 |
130 | 21Ne | 21 | 10 | 11 | 8.344260 |
131 | 19F | 19 | 9 | 10 | 8.149605 |
132 | 17O | 17 | 8 | 9 | 8.118892 |
133 | 18O | 18 | 8 | 10 | 8.114808 |
134 | 12C | 12 | 6 | 6 | 8.071318 |
135 | 15N | 15 | 7 | 8 | 8.064556 |
136 | 14N | 14 | 7 | 7 | 7.866788 |
137 | 13C | 13 | 6 | 7 | 7.830933 |
138 | 4He | 4 | 2 | 2 | 7.465089 |
139 | 11B | 11 | 5 | 6 | 7.283345 |
140 | 10B | 10 | 5 | 5 | 6.866257 |
141 | 9Be | 9 | 4 | 5 | 6.810379 |
142 | 7Li | 7 | 3 | 4 | 5.941732 |
143 | 6Li | 6 | 3 | 3 | 5.723505 |
144 | 3He | 3 | 2 | 1 | 3.094245 |
145 | 2H | 2 | 1 | 1 | 1.503457 |
146 | 1H | 1 | 1 | 0 | 0.782347 |
Ordered by "energy".
No. | Nuclide | A | Z | N | Energy | Decay mode | Decay energy (MeV) |
---|---|---|---|---|---|---|---|
147 | 80Se | 80 | 34 | 46 | 9.04331 | (β−β−) | 0.134 |
148 | 86Kr | 86 | 36 | 50 | 9.039524 | (β−β−) | 1.257 |
149 | 84Sr | 84 | 38 | 46 | 9.03143 | (β+β+) | 1.790 |
150 | 102Pd | 102 | 46 | 56 | 8.933112 | (β+β+) | 1.203 |
151 | 36Ar | 36 | 18 | 18 | 8.911083 | (β+β+) | 0.433 |
152 | 122Sn | 122 | 50 | 72 | 8.80853 | (β−β−) | 0.373 |
153 | 150Sm | 150 | 62 | 88 | 8.584993 | (α) | 1.450 |
154 | 152Sm | 152 | 62 | 90 | 8.563180 | (α) | 0.220 |
155 | 154Gd | 154 | 64 | 90 | 8.549931 | (α) | 0.920 |
156 | 155Gd | 155 | 64 | 91 | 8.536288 | (α) | 0.081 |
157 | 164Er | 164 | 68 | 96 | 8.473407 | (β+β+, α) | 0.025, 1.305 |
158 | 165Ho | 165 | 67 | 98 | 8.464639 | (α) | 0.139 |
159 | 166Er | 166 | 68 | 98 | 8.462427 | (α) | 0.832 |
160 | 167Er | 167 | 68 | 99 | 8.450296 | (α) | 0.667 |
161 | 168Er | 168 | 68 | 100 | 8.446254 | (α) | 0.553 |
162 | 169Tm | 169 | 69 | 100 | 8.433890 | (α) | 1.198 |
163 | 170Yb | 170 | 70 | 100 | 8.428753 | (α) | 1.735 |
164 | 171Yb | 171 | 70 | 101 | 8.418142 | (α) | 1.558 |
165 | 172Yb | 172 | 70 | 102 | 8.415827 | (α) | 1.309 |
166 | 173Yb | 173 | 70 | 103 | 8.403984 | (α) | 0.945 |
167 | 174Yb | 174 | 70 | 104 | 8.398585 | (α) | 0.738 |
168 | 175Lu | 175 | 71 | 104 | 8.386551 | (α) | 1.620 |
169 | 181Ta | 181 | 73 | 108 | 8.338937 | (α) | 1.520 |
170 | 185Re | 185 | 75 | 110 | 8.308178 | (α) | 2.195 |
171 | 191Ir | 191 | 77 | 114 | 8.263511 | (α) | 2.083 |
172 | 194Pt | 194 | 78 | 116 | 8.250494 | (α) | 1.523 |
173 | 193Ir | 193 | 77 | 116 | 8.250263 | (α) | 1.018 |
174 | 195Pt | 195 | 78 | 117 | 8.239492 | (α) | 1.176 |
175 | 196Pt | 196 | 78 | 118 | 8.237872 | (α) | 0.813 |
176 | 197Au | 197 | 79 | 118 | 8.229388 | (α) | 0.972 |
177 | 198Hg | 198 | 80 | 118 | 8.227653 | (α) | 1.381 |
178 | 199Hg | 199 | 80 | 119 | 8.219791 | (α) | 0.823 |
179 | 200Hg | 200 | 80 | 120 | 8.218835 | (α) | 0.716 |
180 | 201Hg | 201 | 80 | 121 | 8.208942 | (α) | 0.332 |
181 | 202Hg | 202 | 80 | 122 | 8.206691 | (α) | 0.134 |
182 | 203Tl | 203 | 81 | 122 | 8.198221 | (α) | 0.908 |
183 | 204Hg | 204 | 80 | 124 | 8.192348 | (β−β−) | 0.420 |
184 | 205Tl | 205 | 81 | 124 | 8.187517 | (α) | 0.155 |
Ordered by the given lower bound on half-life. These should not be considered authoritative without consulting the original source (footnote, or if none, that given in [4] ) as exactly what was measured and how are not reflected here, and some of the values may be misinterpretations. Further, in all cases, this is not an indicator of the probable half-life, which may be much longer (especially for alpha decay), but only the experiment's ability to measure it.
No. | Nuclide | A | Z | N | Energy | Half-life (seconds) | Half-life (years) [c] | Decay mode | Decay energy (MeV) |
---|---|---|---|---|---|---|---|---|---|
185 | 134Xe | 134 | 54 | 80 | 8.728974 | >8.8×1029 | >2.8×1022 [6] | (β−β−) | 0.824 |
186 | 40Ca | 40 | 20 | 20 | 8.942478 | >3.1×1029 | >9.9×1021 | (β+β+) | 0.193 |
187 | 184W | 184 | 74 | 110 | 8.319718 | >2.8×1029 | >8.9×1021 | (α) | 1.649 |
188 | 182W | 182 | 74 | 108 | 8.336407 | >2.4×1029 | >7.7×1021 | (α) | 1.764 |
189 | 208Pb | 208 | 82 | 126 | 8.175878 | >8.2×1028 | >2.6×1021 | (α) | 0.517 |
190 | 206Pb | 206 | 82 | 124 | 8.186782 | >7.9×1028 | >2.5×1021 | (α) | 1.135 |
191 | 126Xe | 126 | 54 | 72 | 8.77883 | >6.0×1028 | >1.9×1021 [7] | (β+β+) | 0.918 |
192 | 207Pb | 207 | 82 | 125 | 8.179782 | >6.0×1028 | >1.9×1021 | (α) | 0.392 |
193 | 120Te | 120 | 52 | 68 | 8.81599 | >5.0×1028 | >1.6×1021 | (β+β+) | 1.736 |
194 | 106Cd | 106 | 48 | 58 | 8.89332 | >3.5×1028 | >1.1×1021 | (β+β+) | 2.775 |
195 | 58Ni | 58 | 28 | 30 | 9.109747 | >2.2×1028 | >7.0×1020 | (β+β+) | 1.926 |
196 | 183W | 183 | 74 | 109 | 8.324683 | >2.1×1028 | >6.7×1020 | (α) | 1.672 |
197 | 104Ru | 104 | 44 | 60 | 8.91839 | >2.0×1028 | >6.5×1020 [8] | (β−β−) | 1.299 |
198 | 54Fe | 54 | 26 | 28 | 9.113070 | >1.4×1028 | >4.4×1020 [9] | (β+β+) | 0.681 |
199 | 132Ba | 132 | 56 | 76 | 8.741279 | >9.5×1027 | >3.0×1020 | (β+β+) | 0.844 |
200 | 110Pd | 110 | 46 | 64 | 8.874326 | >9.1×1027 | >2.9×1020 | (β−β−) | 2.017 |
201 | 92Mo | 92 | 42 | 50 | 9.014890 | >6.0×1027 | >1.9×1020 | (β+β+) | 1.650 |
202 | 204Pb | 204 | 82 | 122 | 8.194405 | >4.4×1027 | >1.4×1020 [10] | (α) | 1.969 |
203 | 112Sn | 112 | 50 | 62 | 8.862881 | >3.1×1027 | >9.7×1019 [11] | (β+β+) | 1.920 |
204 | 96Ru | 96 | 44 | 52 | 8.967989 | >2.5×1027 | >8.0×1019 | (β+β+) | 2.715 |
205 | 192Os | 192 | 76 | 116 | 8.25821 | >1.7×1027 | >5.3×1019 | (β−β−, α) | 0.406, 0.361 |
206 | 198Pt | 198 | 78 | 120 | 8.22235 | >1.0×1027 | >3.2×1019 [12] | (β−β−, α) | 1.050, 0.106 |
207 | 160Gd | 160 | 64 | 96 | 8.495956 | >9.8×1026 | >3.1×1019 | (β−β−) | 1.730 |
208 | 186W | 186 | 74 | 112 | 8.299859 | >7.3×1026 | >2.3×1019 [13] | (β−β−, α) | 0.491, 1.116 |
209 | 144Sm | 144 | 62 | 82 | 8.64052 | >4.4×1026 | >1.4×1019 [14] | (β+β+) | 1.782 |
210 | 190Os | 190 | 76 | 114 | 8.275043 | >3.8×1026 | >1.2×1019 [15] | (α) | 1.376 |
211 | 64Zn | 64 | 30 | 34 | 9.102631 | >3.5×1026 | >1.1×1019 [13] | (β+β+) | 1.095 |
212 | 74Se | 74 | 34 | 40 | 9.047172 | >2.2×1026 | >7.0×1018 [16] | (β+β+) | 1.209 |
213 | 70Zn | 70 | 30 | 40 | 9.06510 | >1.2×1026 | >3.8×1018 | (β−β−) | 0.997 |
214 | 188Os | 188 | 76 | 112 | 8.290134 | >1.0×1026 | >3.3×1018 [15] | (α) | 2.143 |
215 | 143Nd | 143 | 60 | 83 | 8.658747 | >9.8×1025 | >3.1×1018 | (α) | 0.530 |
216 | 148Nd | 148 | 60 | 88 | 8.59435 | >9.5×1025 | >3.0×1018 | (β−β−, α) | 1.928, 0.599 |
217 | 142Ce | 142 | 58 | 84 | 8.66662 | >9.1×1025 | >2.9×1018 | (β−β−, α) | 1.417, 1.304 |
218 | 179Hf | 179 | 72 | 107 | 8.353234 | >8.5×1025 | >2.7×1018 [17] | (α) | 1.808 |
219 | 196Hg | 196 | 80 | 116 | 8.23370 | >7.9×1025 | >2.5×1018 | (β+β+, α) | 0.819, 2.038 |
220 | 154Sm | 154 | 62 | 92 | 8.541809 | >7.3×1025 | >2.3×1018 | (β−β−) | 1.251 |
221 | 146Nd | 146 | 60 | 86 | 8.625605 | >5.0×1025 | >1.6×1018 | (β−β−, α) | 0.070, 1.182 |
222 | 50Cr | 50 | 24 | 26 | 9.076545 | >4.1×1025 | >1.3×1018 | (β+β+) | 1.171 |
223 | 178Hf | 178 | 72 | 106 | 8.365899 | >4.1×1025 | >1.3×1018 [17] | (α) | 2.084 |
224 | 177Hf | 177 | 72 | 105 | 8.370079 | >3.5×1025 | >1.1×1018 [17] | (α) | 2.246 |
225 | 156Dy | 156 | 66 | 90 | 8.523430 | >3.2×1025 | >1.0×1018 [n 1] | (β+β+, α) | 2.006, 1.753 |
226 | 153Eu | 153 | 63 | 90 | 8.550844 | >1.8×1025 | >5.5×1017 | (α) | 0.272 |
227 | 180Hf | 180 | 72 | 108 | 8.347871 | >1.5×1025 | >4.6×1017 [17] | (α) | 1.287 |
228 | 108Cd | 108 | 48 | 60 | 8.89773 | >1.3×1025 | >4.1×1017 | (β+β+) | 0.272 |
229 | 170Er | 170 | 68 | 102 | 8.424892 | >1.3×1025 | >4.1×1017 | (β−β−, α) | 0.656, 0.052 |
230 | 138Ce | 138 | 58 | 80 | 8.705854 | >1.3×1025 | >4.0×1017 [19] | (β+β+) | 0.696 |
231 | 180mTa | 180 | 73 | 107 | 8.342753 | >9.1×1024 | >2.9×1017 [20] | (β−, ε, IT, α) | 0.778, 0.921, 0.075, 2.099 |
232 | 176Hf | 176 | 72 | 104 | 8.381411 | >8.5×1024 | >2.7×1017 [17] | (α) | 2.254 |
233 | 46Ca | 46 | 20 | 26 | 9.00914 | >5.7×1024 | >1.8×1017 [21] | (β−β−) | 0.987 |
234 | 176Yb | 176 | 70 | 106 | 8.375246 | >5.0×1024 | >1.6×1017 | (β−β−, α) | 1.085, 0.567 |
235 | 94Zr | 94 | 40 | 54 | 8.999715 | >3.5×1024 | >1.1×1017 | (β−β−) | 1.145 |
236 | 124Sn | 124 | 50 | 74 | 8.78286 | >3.2×1024 | >1.0×1017 | (β−β−) | 2.293 |
237 | 162Dy | 162 | 66 | 96 | 8.492190 | >3.2×1024 | >1.0×1017 [18] | (α) | 0.084 |
238 | 136Ce | 136 | 58 | 78 | 8.707410 | >3.0×1024 | >9.6×1016 [19] | (β+β+) | 2.379 |
239 | 114Cd | 114 | 48 | 66 | 8.860923 | >2.9×1024 | >9.2×1016 | (β−β−) | 0.545 |
240 | 123Te | 123 | 52 | 71 | 8.79629 | >2.9×1024 | >9.2×1016 [22] | (ε) | 0.052 |
241 | 145Nd | 145 | 60 | 85 | 8.632918 | >1.9×1024 | >6.0×1016 | (α) | 1.574 |
242 | 192Pt | 192 | 78 | 114 | 8.26032 | >1.9×1024 | >6.0×1016 | (α) | 2.424 |
243 | 161Dy | 161 | 66 | 95 | 8.494023 | >1.1×1024 | >3.5×1016 [18] | (α) | 0.343 |
244 | 160Dy | 160 | 66 | 94 | 8.506771 | >2.7×1023 | >8.5×1015 [18] | (α) | 0.438 |
245 | 189Os | 189 | 76 | 113 | 8.277597 | >1.1×1023 | >3.5×1015 [15] | (α) | 1.976 |
246 | 187Os | 187 | 76 | 111 | 8.291741 | >1.0×1023 | >3.2×1015 [15] | (α) | 2.722 |
247 | 149Sm | 149 | 62 | 87 | 8.589009 | >6.3×1022 | >2.0×1015 | (α) | 1.871 |
248 | 158Dy | 158 | 66 | 92 | 8.51693 | >3.2×1022 | >1.0×1015 [18] | (β+β+, α) | 0.283, 0.874 |
249 | 162Er | 162 | 68 | 94 | 8.480788 | >4.4×1021 | >1.4×1014 | (β+β+, α) | 1.847, 1.648 |
250 | 168Yb | 168 | 70 | 98 | 8.437865 | >4.1×1021 | >1.3×1014 | (β+β+, α) | 1.409, 1.938 |
251 | 98Mo | 98 | 42 | 56 | 8.970461 | >3.2×1021 | >1.0×1014 | (β−β−) | 0.109 |
Ordered by half-life.
No. | Nuclide | A | Z | N | Energy | Half-life (seconds) | Half-life (years) [c] | Decay mode | Decay energy (MeV) |
---|---|---|---|---|---|---|---|---|---|
252 | 128Te | 128 | 52 | 76 | 8.766582 | 7.10×1031 | 2.25×1024 | β−β− | 0.867 |
253 | 124Xe | 124 | 54 | 70 | 8.77829 | 3.47×1029 | 1.1×1022 [23] | εε | 2.857 |
254 | 78Kr | 78 | 36 | 42 | 9.022322 | 2.90×1029 | 9.2×1021 | εε | 2.848 |
255 | 136Xe | 136 | 54 | 82 | 8.692917 | 6.88×1028 | 2.18×1021 | β−β− | 2.458 |
256 | 76Ge | 76 | 32 | 44 | 9.034646 | 6.375×1028 | 2.02×1021 | β−β− | 2.039 |
257 | 130Ba | 130 | 56 | 74 | 8.742524 | 3.2×1028 | 1×1021 [n 1] | εε | 2.624 |
258 | 130Te | 130 | 52 | 78 | 8.743264 | 2.496×1028 | 7.9×1020 | β−β− | 2.528 |
259 | 82Se | 82 | 34 | 48 | 9.017585 | 2.764×1027 | 8.76×1019 | β−β− | 2.998 |
260 | 48Ca | 48 | 20 | 28 | 8.992670 | 1.767×1027 | 5.6×1019 | β−β− | 4.268 |
261 | 116Cd | 116 | 48 | 68 | 8.836081 | 8.489×1026 | 2.69×1019 | β−β− | 2.813 |
262 | 209Bi | 209 | 83 | 126 | 8.158680 | 6.343×1026 | 2.01×1019 | α | 3.137 |
263 | 96Zr | 96 | 40 | 56 | 8.961306 | 7.384×1026 | 2.34×1019 | β−β− | 3.356 |
264 | 150Nd | 150 | 60 | 90 | 8.562518 | 2.935×1026 | 9.3×1018 | β−β− | 3.371 |
265 | 100Mo | 100 | 42 | 58 | 8.933248 | 2.231×1026 | 7.07×1018 | β−β− | 3.034 |
266 | 151Eu | 151 | 63 | 88 | 8.565709 | 1.452×1026 | 4.6×1018 | α | 1.964 |
267 | 180W | 180 | 74 | 106 | 8.347075 | 5.018×1025 | 1.59×1018 [26] | α | 2.515 |
268 | 50V | 50 | 23 | 27 | 9.055783 | 8.552×1024 | 2.71×1017 | β+ [n 2] | 2.209 |
269 | 174Hf | 174 | 72 | 102 | 8.39226 | 1.199×1024 | 3.8×1016 [27] | α | 2.494 |
270 | 113Cd | 113 | 48 | 65 | 8.859312 | 2.537×1023 | 8.04×1015 | β− | 0.324 |
271 | 148Sm | 148 | 62 | 86 | 8.607373 | 1.988×1023 | 6.3×1015 | α | 1.987 |
272 | 144Nd | 144 | 60 | 84 | 8.651026 | 7.227×1022 | 2.29×1015 | α | 1.901 |
273 | 186Os | 186 | 76 | 110 | 8.302501 | 6.3×1022 | 2.0×1015 | α | 2.821 |
274 | 115In | 115 | 49 | 66 | 8.849895 | 1.392×1022 | 4.41×1014 | β− | 0.497 |
275 | 152Gd | 152 | 64 | 88 | 8.562813 | 3.408×1021 | 1.08×1014 | α | 2.204 |
276 | 184Os | 184 | 76 | 108 | 8.311821 | 3.53×1020 | 1.12×1013 | α | 2.959 |
277 | 190Pt | 190 | 78 | 112 | 8.267668 | 1.524×1019 | 4.83×1011 | α | 3.269 |
278 | 147Sm | 147 | 62 | 85 | 8.610543 | 3.364×1018 | 1.066×1011 | α | 2.311 |
279 | 138La | 138 | 57 | 81 | 8.698227 | 3.250×1018 | 1.03×1011 | β+(65), β−(35) | 1.748, 1.053 |
280 | 87Rb | 87 | 37 | 50 | 9.043707 | 1.568×1018 | 4.97×1010 | β− | 0.282 |
281 | 187Re | 187 | 75 | 112 | 8.291727 | 1.313×1018 | 4.16×1010 | β− | 0.0026 |
282 | 176Lu | 176 | 71 | 105 | 8.374627 | 1.168×1018 | 3.70×1010 | β− [n 3] | 1.194 |
283 | 232Th | 232 | 90 | 142 | 7.918531 | 4.418×1017 | 1.40×1010 | α, SF | 4.083 |
284 | 238U | 238 | 92 | 146 | 7.872546 | 1.408×1017 | 4.463×109 | α, SF, β−β− | 4.270, 1.145 |
285 | 40K | 40 | 19 | 21 | 8.909706 | 3.938×1016 | 1.248×109 | β−(89), β+(11) | 1.311, 1.504 |
286 | 235U | 235 | 92 | 143 | 7.897196 | 2.222×1016 | 7.04×108 | α, SF | 4.679 |
Ordered by half-life. Some of these are known to have been present in the early Solar System (marked "ESS", meaning the first few million years of the Solar System's history) from an excess of their decay products. [29]
No. | Nuclide | Z | N | Energy | Half-life (seconds) | Half-life (years) [c] | Decay mode | Notes |
---|---|---|---|---|---|---|---|---|
287 | 146Sm | 62 | 84 | 8.62609 | 2.903×1015 | 9.20×107 [1] | α | ESS [29] |
288 | 244Pu | 94 | 150 | 7.826212 | 2.566×1015 | 8.13×107 | α, SF (0.12) | interstellar, [30] ESS [29] |
289 | 92Nb | 41 | 51 | 9.01103 | 1.095×1015 | 3.47×107 | β+ | CG, [31] ESS [29] |
290 | 236U | 92 | 144 | 7.891468 | 7.391×1014 | 2.342×107 | α, SF | DP |
291 | 205Pb | 82 | 123 | 8.187270 | 5.365×1014 | 1.70×107 | β+ | ESS [29] |
292 | 129I | 53 | 76 | 8.75742 | 5.093×1014 | 1.614×107 | β− | CG, FP, ESS [29] |
293 | 247Cm | 96 | 151 | 7.80600 | 4.923×1014 | 1.56×107 | α | ESS [29] |
294 | 182Hf | 72 | 110 | 8.32434 | 2.809×1014 | 8.90×106 | β− | ESS [29] |
295 | 107Pd | 46 | 61 | 8.89723 | 2.051×1014 | 6.5×106 | β− | FP, ESS [29] |
296 | 97Tc | 43 | 54 | 8.97053 | 1.329×1014 | 4.21×106 | β+ | |
297 | 98Tc | 43 | 55 | 8.95328 | 1.325×1014 | 4.2×106 | β− | |
298 | 53Mn | 25 | 28 | 9.103211 | 1.168×1014 | 3.7×106 | β+ | CG, ESS [29] |
299 | 210mBi | 83 | 127 | 8.140464 | 9.594×1013 | 3.04×106 | α | |
300 | 60Fe | 26 | 34 | 9.09487 | 8.268×1013 | 2.62×106 | β− | CG, [32] interstellar, [33] ESS [29] |
301 | 237Np | 93 | 144 | 7.881986 | 6.766×1013 | 2.144×106 | α, SF | DP |
302 | 150Gd | 64 | 86 | 8.57641 | 5.649×1013 | 1.79×106 | α | |
303 | 93Zr | 40 | 53 | 9.008114 | 5.081×1013 | 1.61×106 | β− | FP |
304 | 154Dy | 66 | 88 | 8.52842 | 4.418×1013 | 1.40×106 [34] | α | |
305 | 10Be | 4 | 6 | 6.810569 | 4.377×1013 | 1.387×106 | β− | CG, ESS [29] |
306 | 135Cs | 55 | 80 | 8.720074 | 4.197×1013 | 1.33×106 | β− | FP |
307 | 26Al | 13 | 13 | 8.540939 | 2.263×1013 | 7.17×105 | β+ | CG, ESS [29] |
308 | 242Pu | 94 | 148 | 7.845215 | 1.183×1013 | 3.75×105 | α, SF | |
309 | 208Bi | 83 | 125 | 8.16204 | 1.161×1013 | 3.68×105 | β+ | |
310 | 248Cm | 96 | 152 | 7.799573 | 1.098×1013 | 3.48×105 | α (92), SF (8.4) | |
311 | 79Se | 34 | 45 | 9.032299 | 1.032×1013 | 3.3×105 | β− | FP |
312 | 36Cl | 17 | 19 | 8.891374 | 9.499×1012 | 3.01×105 | β−(98), β+(1.9) | CG, IM |
313 | 234U | 92 | 142 | 7.908305 | 7.747×1012 | 2.455×105 | α, SF | DP |
314 | 126Sn | 50 | 76 | 8.75398 | 7.258×1012 | 2.3×105 | β− | FP |
315 | 81Kr | 36 | 45 | 9.03053 | 7.227×1012 | 2.29×105 | β+ | CG |
316 | 99Tc | 43 | 56 | 8.953418 | 6.662×1012 | 2.111×105 | β− | FP |
317 | 186mRe | 75 | 111 | 8.295937 | 6.312×1012 | 2×105 | IT | |
318 | 233U | 92 | 141 | 7.912867 | 5.024×1012 | 1.592×105 | α, SF | DP |
319 | 236Np | 93 | 143 | 7.8875 | 4.828×1012 | 1.53×105 | β+(86), β−(14), α (0.16) | |
320 | 41Ca | 20 | 21 | 8.928340 | 3.137×1012 | 9.9×104 | β+ | CG, ESS [29] |
321 | 59Ni | 28 | 31 | 9.107874 | 2.556×1012 | 8.1×104 | β+ | |
322 | 230Th | 90 | 140 | 7.937133 | 2.379×1012 | 7.54×104 | α, SF | DP |
323 | 137La | 57 | 80 | 8.70738 | 1.893×1012 | 6×104 | β+ | |
324 | 202Pb | 82 | 120 | 8.19974 | 1.657×1012 | 5.25×104 | β+ | |
325 | 231Pa | 91 | 140 | 7.926624 | 1.030×1012 | 3.27×104 | α, SF | DP |
326 | 239Pu | 94 | 145 | 7.868020 | 7.609×1011 | 2.411×104 | α, SF | DP, IM |
327 | 94Nb | 41 | 53 | 8.99014 | 6.438×1011 | 2.04×104 | β− | CG [31] |
Ordered by half-life.
No. | Nuclide | Z | N | Energy | Half-life (seconds) | Half-life (years) [c] | Decay mode | Notes |
---|---|---|---|---|---|---|---|---|
328 | 250Cm | 96 | 154 | 7.77936 | 2.62×1011 | 8300 [n 1] | SF, α, β− | |
329 | 245Cm | 96 | 149 | 7.822320 | 2.60×1011 | 8250 | α, SF | |
330 | 229Th | 90 | 139 | 7.94212 | 2.498×1011 | 7920 | α | DP |
331 | 243Am | 95 | 148 | 7.836030 | 2.319×1011 | 7350 | α, SF | |
332 | 240Pu | 94 | 146 | 7.862463 | 2.070×1011 | 6561 | α, SF | |
333 | 14C | 6 | 8 | 7.855611 | 1.799×1011 | 5700 | β− | CG, IM |
334 | 93Mo | 42 | 51 | 9.004728 | 1.53×1011 | 4839 [36] | β+ | |
335 | 246Cm | 96 | 150 | 7.816778 | 1.485×1011 | 4700 | α, SF | |
336 | 163Ho | 67 | 96 | 8.478545 | 1.442×1011 | 4570 | β+ | |
337 | 226Ra | 88 | 138 | 7.966594 | 5.049×1010 | 1600 | α | DP |
338 | 247Bk | 97 | 150 | 7.80618 | 4.35×1010 | 1380 | α, SF | |
339 | 166mHo | 67 | 99 | 8.451224 | 3.574×1010 | 1133 | β− | |
340 | 251Cf | 98 | 153 | 7.77596 | 2.83×1010 | 900 | α, SF | |
341 | 91Nb | 41 | 50 | 9.02338 | 2.15×1010 | 680 | β+ | |
342 | 194Hg | 80 | 114 | 8.23722 | 1.41×1010 | 450 | β+ | |
343 | 108mAg | 47 | 61 | 8.88148 | 1.385×1010 | 439 | β+(91), IT (8.7) | |
344 | 241Am | 95 | 146 | 7.851674 | 1.364×1010 | 432.6 | α, SF | IM |
345 | 249Cf | 98 | 151 | 7.791307 | 1.108×1010 | 351 | α, SF | |
346 | 39Ar | 18 | 21 | 8.9237 | 8.457×109 | 268 [n 2] | β− | CG |
347 | 192m2Ir | 77 | 115 | 8.251878 | 7.605×109 | 241 | IT | |
348 | 158Tb | 65 | 93 | 8.511007 | 5.68×109 | 180 | β+(83), β−(17) | |
349 | 32Si | 14 | 18 | 8.823746 | 4.95×109 | 157 | β− | CG |
350 | 242mAm | 95 | 147 | 7.841911 | 4.450×109 | 141 | IT, α (0.46), SF | |
351 | 209Po | 84 | 125 | 8.149624 | 3.913×109 | 124 | α, β+(0.45) | |
352 | 63Ni | 28 | 35 | 9.111205 | 3.194×109 | 101 | β− | IM |
353 | 151Sm | 62 | 89 | 8.565202 | 2.985×109 | 94.6 | β− | FP |
354 | 238Pu | 94 | 144 | 7.877355 | 2.768×109 | 87.7 | α, SF | DP, IM |
355 | 148Gd | 64 | 84 | 8.58665 | 2.74×109 | 86.9 [37] | α | |
356 | 157Tb | 65 | 92 | 8.522043 | 2.24×109 | 71 | β+ | |
357 | 232U | 92 | 140 | 7.922140 | 2.174×109 | 68.9 | α, SF | |
358 | 44Ti | 22 | 22 | 8.92470 | 1.865×109 | 59.1 | β+ | |
359 | 193Pt | 78 | 115 | 8.249969 | 1.58×109 | 50 | β+ | |
360 | 121mSn | 50 | 71 | 8.808428 | 1.385×109 | 43.9 | IT (78), β−(22) | FP |
361 | 150Eu | 63 | 87 | 8.56993 | 1.164×109 | 36.9 | β+ | |
362 | 42Ar | 18 | 24 | 8.8909 | 1.038×109 | 32.9 | β− | |
363 | 207Bi | 83 | 124 | 8.16820 | 9.852×108 | 31.22 | β+ | |
364 | 178m2Hf | 72 | 106 | 8.352157 | 9.783×108 | 31 | IT | |
365 | 137Cs | 55 | 82 | 8.703039 | 9.480×108 | 30.04 | β− | FP, IM |
366 | 243Cm | 96 | 147 | 7.836002 | 9.183×108 | 29.1 | α, β+(0.3), SF | |
367 | 90Sr | 38 | 52 | 9.02633 | 9.123×108 | 28.91 | β− | FP, IM |
368 | 210Pb | 82 | 128 | 8.141453 | 7.006×108 | 22.2 | β−, α | DP, IM |
369 | 227Ac | 89 | 138 | 7.957444 | 6.871×108 | 21.772 | β−(99), α (1.4) | DP |
370 | 244Cm | 96 | 148 | 7.831762 | 5.715×108 | 18.11 | α, SF | |
371 | 145Pm | 61 | 84 | 8.63178 | 5.586×108 | 17.7 | β+, α | |
372 | 93mNb | 41 | 52 | 9.00876 | 5.087×108 | 16.1 | IT | FP |
373 | 241Pu | 94 | 147 | 7.851587 | 4.522×108 | 14.33 | β−, α, SF | |
374 | 113mCd | 48 | 65 | 8.845980 | 4.383×108 | 13.9 | β−, IT (0.10) | FP |
375 | 152Eu | 63 | 89 | 8.550848 | 4.266×108 | 13.517 | β+(72), β−(28) | |
376 | 250Cf | 98 | 152 | 7.786637 | 4.128×108 | 13.08 | α, SF (0.08) | |
377 | 3H | 1 | 2 | 3.088048 | 3.888×108 | 12.32 | β− | CG, IM |
378 | 85Kr | 36 | 49 | 9.02991 | 3.385×108 | 10.728 | β− | FP, IM |
379 | 133Ba | 56 | 77 | 8.729615 | 3.326×108 | 10.538 | β+ |
No decay has been observed, but not primordial so does not qualify as "observationally stable".
No. | Nuclide | Z | N | Energy (MeV) | Half-life (seconds) | Half-life (years) [c] | Decay modes | Notes |
---|---|---|---|---|---|---|---|---|
380 | 248Bk | 97 | 151 | 7.7966 | >2.84×108 | > 9 y [d] | α, β−, β+ |
Ordered by half-life. The second half-life column in this table has been made unsortable, as the mixture of days and years will not sort properly. Resorting by half-life may be done no less by using the number or the half-life in seconds columns.
No. | Nuclide | Z | N | Energy | Half-life (seconds) | Half-life [c] | Decay mode | Notes |
---|---|---|---|---|---|---|---|---|
381 | 154Eu | 63 | 91 | 8.537152 | 2.711×108 | 8.592 y | β−, β+ | FP |
382 | 194Os | 76 | 118 | 8.23851 | 1.893×108 | 6.0 y | β− | |
383 | 228Ra | 88 | 140 | 7.944387 | 1.815×108 | 5.75 y | β− | DP |
384 | 146Pm | 61 | 85 | 8.61552 | 1.745×108 | 5.53 y | β+(66), β−(34) | |
385 | 60Co | 27 | 33 | 9.098825 | 1.664×108 | 5.271 y | β− | IM |
386 | 155Eu | 63 | 92 | 8.534662 | 1.496×108 | 4.742 y | β− | FP |
387 | 101Rh | 45 | 56 | 8.93678 | 1.284×108 | 4.07 y | β+ | |
388 | 204Tl | 81 | 123 | 8.190662 | 1.194×108 | 3.78 y | β−(97), β+(2.9) | IM |
389 | 102mRh | 45 | 57 | 8.92075 | 1.181×108 | 3.74 y | β+, IT (0.2) | |
390 | 174Lu | 71 | 103 | 8.390688 | 1.045×108 | 3.31 y | β+ | |
391 | 208Po | 84 | 124 | 8.155305 | 9.145×107 | 2.898 y | α, β+ | |
392 | 236Pu | 94 | 142 | 7.889532 | 9.019×107 | 2.858 y | α, SF | |
393 | 125Sb | 51 | 74 | 8.77736 | 8.702×107 | 2.758 y | β− | FP |
394 | 55Fe | 26 | 29 | 9.116434 | 8.698×107 | 2.756 y | β+ | |
395 | 252Cf | 98 | 154 | 7.769593 | 8.347×107 | 2.645 y | α (97), SF (3.1) | IM |
396 | 147Pm | 61 | 86 | 8.609019 | 8.279×107 | 2.623 y | β− | FP |
397 | 22Na | 11 | 11 | 8.306836 | 8.211×107 | 2.602 y | β+ | CG |
398 | 134Cs | 55 | 79 | 8.719760 | 6.517×107 | 2.065 y | β−, β+ | FP |
399 | 171Tm | 69 | 102 | 8.417577 | 6.059×107 | 1.92 y | β− | |
400 | 228Th | 90 | 138 | 7.953902 | 6.035×107 | 1.913 y | α | DP |
401 | 172Hf | 72 | 100 | 8.3992 | 5.901×107 | 1.87 y | β+ | |
402 | 179Ta | 73 | 106 | 8.352645 | 5.743×107 | 1.82 y | β+ | |
403 | 173Lu | 71 | 102 | 8.400110 | 4.323×107 | 1.37 y | β+ | |
404 | 252Es | 99 | 153 | 7.7646 | 4.075×107 | 1.291 y | α (78), β+(22) | |
405 | 109Cd | 48 | 61 | 8.88328 | 3.986×107 | 1.263 y | β+ | |
406 | 235Np | 93 | 142 | 7.896667 | 3.422×107 | 1.084 y | β+, α | |
407 | 106Ru | 44 | 62 | 8.88569 | 3.212×107 | 1.018 y | β− | FP |
408 | 144Pm | 61 | 83 | 8.63671 | 3.136×107 | 0.99 y | β+ | |
409 | 145Sm | 62 | 83 | 8.62753 | 2.938×107 | 340 d | β+ | |
410 | 248Cf | 98 | 150 | 7.80020 | 2.881×107 | 333.5 d | α, SF | |
411 | 49V | 23 | 26 | 9.05014 | 2.851×107 | 330 d | β+ | |
412 | 249Bk | 97 | 152 | 7.790811 | 2.827×107 | 327.2 d | β−, α, SF | |
413 | 54Mn | 25 | 29 | 9.10017 | 2.696×107 | 312.08 d | β+, β− | IM |
414 | 119mSn | 50 | 69 | 8.827415 | 2.532×107 | 293.1 d | IT | FP |
415 | 144Ce | 58 | 86 | 8.62987 | 2.461×107 | 284.89 d | β− | FP |
416 | 254Es | 99 | 155 | 7.74851 | 2.382×107 | 275.7 d | α, β−, SF | |
417 | 57Co | 27 | 30 | 9.112471 | 2.348×107 | 271.81 d | β+ | IM |
418 | 68Ge | 32 | 36 | 9.05630 | 2.342×107 | 271.05 d | β+ | IM |
419 | 143Pm | 61 | 82 | 8.65146 | 2.290×107 | 265 d | β+ | |
420 | 110m2Ag | 47 | 63 | 8.86532 | 2.159×107 | 249.86 d | β−(99), IT (1.3) | IM |
421 | 65Zn | 30 | 35 | 9.085349 | 2.108×107 | 243.94 d | β+ | IM |
422 | 153Gd | 64 | 89 | 8.547677 | 2.079×107 | 240.6 d | β+ | IM |
423 | 102Rh | 45 | 57 | 8.92213 | 1.788×107 | 207 d | β+(78), β−(22) | |
424 | 195Au | 79 | 116 | 8.238329 | 1.607×107 | 186.01 d | β+ | |
425 | 184mRe | 75 | 109 | 8.31062 | 1.531×107 | 177.25 d [38] | IT (75), β+(25) | |
426 | 194m2Ir | 77 | 117 | 8.2371 | 1.477×107 | 171 d | β− | |
427 | 121mTe | 52 | 69 | 8.8007 | 1.423×107 | 164.7 d | IT (89), β+(11) | |
428 | 242Cm | 96 | 146 | 7.844857 | 1.407×107 | 162.8 d | α, SF | |
429 | 45Ca | 20 | 25 | 8.978256 | 1.405×107 | 162.61 d | β− | |
430 | 177m3Lu | 71 | 106 | 8.361791 | 1.386×107 | 160.4 d | β−(77), IT (23) | |
431 | 159Dy | 66 | 93 | 8.506332 | 1.248×107 | 144.4 d | β+ | |
432 | 174mLu | 71 | 103 | 8.389706 | 1.227×107 | 142 d | IT (99), ε (0.6) | |
433 | 210Po | 84 | 126 | 8.147285 | 1.196×107 | 138.376 d | α | DP |
434 | 139Ce | 58 | 81 | 8.69691 | 1.189×107 | 137.64 d | β+ | |
435 | 123Sn | 50 | 73 | 8.78526 | 1.116×107 | 129.2 d | β− | FP |
436 | 170Tm | 69 | 101 | 8.423055 | 1.111×107 | 128.6 d | β−, β+(0.13) | |
437 | 151Gd | 64 | 87 | 8.56264 | 1.070×107 | 123.9 d | β+, α | |
438 | 181W | 74 | 107 | 8.337804 | 1.045×107 | 120.96 d | β+ | |
439 | 75Se | 34 | 41 | 9.033478 | 1.035×107 | 119.78 d | β+ | IM |
440 | 123mTe | 52 | 71 | 8.79427 | 1.030×107 | 119.2 d | IT | |
441 | 113Sn | 50 | 63 | 8.85298 | 9.943×106 | 115.08 d | β+ | |
442 | 182Ta | 73 | 109 | 8.326432 | 9.914×106 | 114.7 d | β− | |
443 | 88Y | 39 | 49 | 9.02926 | 9.213×106 | 106.63 d | β+ | |
444 | 127mTe | 52 | 75 | 8.76575 | 9.167×106 | 106.1 d | IT (98), β−(2.1) | FP |
445 | 257Fm | 100 | 157 | 7.72661 | 8.683×106 | 100.5 d | α, SF (0.2) | |
446 | 168Tm | 69 | 99 | 8.43627 | 8.044×106 | 93.1 d | β+, β− | |
447 | 149Eu | 63 | 86 | 8.58434 | 8.044×106 | 93.1 d | β+ | |
448 | 185Os | 76 | 109 | 8.302701 | 8.031×106 | 92.95 d | β+ | |
449 | 97mTc | 43 | 54 | 8.96953 | 7.871×106 | 91.1 d | IT (96), ε (3.9) | |
450 | 35S | 16 | 19 | 8.895496 | 7.549×106 | 87.37 d | β− | CG |
451 | 83Rb | 37 | 46 | 9.02398 | 7.448×106 | 86.2 d | β+ | |
452 | 46Sc | 21 | 25 | 8.97918 | 7.237×106 | 83.76 d | β− | IM |
453 | 88Zr | 40 | 48 | 9.02165 | 7.206×106 | 83.4 d | β+ | |
454 | 73As | 33 | 40 | 9.04328 | 6.938×106 | 80.3 d | β+ | |
455 | 56Co | 27 | 29 | 9.072041 | 6.673×106 | 77.24 d | β+ | |
456 | 185W | 74 | 111 | 8.305847 | 6.489×106 | 75.1 d | β− | |
457 | 192Ir | 77 | 115 | 8.252754 | 6.378×106 | 73.82 d | β−(95), ε (4.8) | IM |
458 | 160Tb | 65 | 95 | 8.495296 | 6.247×106 | 72.3 d | β− | |
459 | 58Co | 27 | 31 | 9.10317 | 6.121×106 | 70.84 d | β+ | |
460 | 183Re | 75 | 108 | 8.32165 | 6.048×106 | 70 d | β+ | |
461 | 175Hf | 72 | 103 | 8.38264 | 6.039×106 | 69.90 d [39] | β+ | |
462 | 188W | 74 | 114 | 8.27700 | 6.028×106 | 69.77 d | β− | |
463 | 85Sr | 38 | 47 | 9.02547 | 5.603×106 | 64.846 d | β+ | |
464 | 95Zr | 40 | 55 | 8.973001 | 5.532×106 | 64.032 d | β− | FP |
465 | 95mTc | 43 | 52 | 8.97639 | 5.363×106 | 62.0 d | β+(96), IT (3.9) | |
466 | 91mNb | 41 | 50 | 9.02223 | 5.258×106 | 60.86 d | IT (97), ε (3.4) | |
467 | 254Cf | 98 | 156 | 7.75108 | 5.227×106 | 60.5 d | SF, α (0.3) | |
468 | 124Sb | 51 | 73 | 8.77792 | 5.194×106 | 60.12 d | β− | |
469 | 125I | 53 | 72 | 8.78201 | 5.131×106 | 59.392 d | β+ | IM |
470 | 91Y | 39 | 52 | 9.02023 | 5.055×106 | 58.51 d | β− | FP |
471 | 125mTe | 52 | 73 | 8.78233 | 4.959×106 | 57.4 d | IT | FP |
472 | 148Eu | 63 | 85 | 8.58684 | 4.709×106 | 54.5 d | β+, α | |
473 | 7Be | 4 | 3 | 5.81860 | 4.598×106 | 53.22 d | β+ | CG |
474 | 258Md [d] | 101 | 157 | 7.71593 | 4.457×106 | 51.6 d | α, SF | |
475 | 89Sr | 38 | 51 | 9.039959 | 4.369×106 | 50.56 d | β− | FP, IM |
476 | 114mIn | 49 | 65 | 8.846577 | 4.278×106 | 49.51 d | IT (97), β+(3.2) | |
477 | 146Gd | 64 | 82 | 8.59246 | 4.171×106 | 48.27 d | β+ | |
478 | 203Hg | 80 | 123 | 8.195797 | 4.027×106 | 46.61 d | β− | |
479 | 237Pu | 94 | 143 | 7.881058 | 3.943×106 | 45.64 d | β+, α | |
480 | 115mCd | 48 | 67 | 8.835696 | 3.850×106 | 44.6 d | β− | FP |
481 | 59Fe | 26 | 33 | 9.099538 | 3.845×106 | 44.50 d | β− | IM |
482 | 181Hf | 72 | 109 | 8.333213 | 3.662×106 | 42.39 d | β− | |
483 | 105Ag | 47 | 58 | 8.90057 | 3.567×106 | 41.29 d | β+ | |
484 | 148mPm | 61 | 87 | 8.58975 | 3.567×106 | 41.29 d | β−(96), IT (4.2) | |
485 | 255Es | 99 | 156 | 7.74156 | 3.439×106 | 39.8 d | β−(92), α (8.0), SF | |
486 | 103Ru | 44 | 59 | 8.918572 | 3.391×106 | 39.245 d | β− | FP |
487 | 127Xe | 54 | 73 | 8.76676 | 3.140×106 | 36.342 d | β+ | |
488 | 184Re | 75 | 109 | 8.31164 | 3.059×106 | 35.4 d | β+ | |
489 | 37Ar | 18 | 19 | 8.907742 | 3.025×106 | 35.01 d | β+ | CG |
490 | 95Nb | 41 | 54 | 8.984858 | 3.023×106 | 34.991 d | β− | FP |
491 | 129mTe | 52 | 77 | 8.744957 | 2.903×106 | 33.6 d | IT (64), β−(36) | FP |
492 | 84Rb | 37 | 47 | 9.02083 | 2.836×106 | 32.82 d | β+(96), β−(3.9) | |
493 | 241Cm | 96 | 145 | 7.848489 | 2.834×106 | 32.8 d | β+(99), α (1.0) | |
494 | 141Ce | 58 | 83 | 8.677212 | 2.808×106 | 32.505 d | β− | FP |
495 | 169Yb | 70 | 99 | 8.428570 | 2.766×106 | 32.014 d | β+ | IM |
496 | 240Cm | 96 | 144 | 7.855801 | 2.627×106 | 30 d | α, SF | |
497 | 260Md | 101 | 159 | 2.402×106 | 27.8 d | SF | ||
498 | 51Cr | 24 | 27 | 9.080156 | 2.393×106 | 27.702 d | β+ | IM |
499 | 233Pa | 91 | 142 | 7.910419 | 2.331×106 | 26.98 d | β− | DP |
500 | 33P | 15 | 18 | 8.86942 | 2.190×106 | 25.35 d | β− | |
501 | 82Sr | 38 | 44 | 8.99827 | 2.190×106 | 25.35 d | β+ | IM |
502 | 179m2Hf | 72 | 107 | 8.347053 | 2.160×106 | 25.0 d | IT | |
503 | 234Th | 90 | 144 | 7.89776 | 2.083×106 | 24.11 d | β− | DP |
504 | 147Eu | 63 | 84 | 8.59883 | 2.082×106 | 24.1 d | β+, α | |
505 | 178W | 74 | 104 | 8.35450 | 1.866×106 | 21.6 d | β+ | |
506 | 253Es | 99 | 154 | 7.759024 | 1.769×106 | 20.47 d | α, SF | |
507 | 230U | 92 | 138 | 7.93386 | 1.748×106 | 20.23 d | α | |
508 | 121Te | 52 | 69 | 8.8031 | 1.668×106 | 19.31 d | ε | |
509 | 227Th | 90 | 137 | 7.957641 | 1.615×106 | 18.693 d | α | DP, IM |
510 | 86Rb | 37 | 49 | 9.033493 | 1.611×106 | 18.645 d | β−, β+ | |
511 | 253Cf | 98 | 155 | 7.75787 | 1.539×106 | 17.81 d | β−, α (0.3) | |
512 | 74As | 33 | 41 | 9.02889 | 1.535×106 | 17.8 d | β+(66), β−(34) | |
513 | 230Pa | 91 | 139 | 7.93143 | 1.503×106 | 17.4 d | β+(92), β−(7.8), α | |
514 | 103Pd | 46 | 57 | 8.920415 | 1.468×106 | 16.99 d | β+ | IM |
515 | 99Rh | 45 | 54 | 8.9358 | 1.391×106 | 16.1 d | β+ | |
516 | 48V | 23 | 25 | 8.99794 | 1.380×106 | 15.97 d | β+ | |
517 | 156Eu | 63 | 93 | 8.52057 | 1.312×106 | 15.19 d | β− | FP |
518 | 191Os | 76 | 115 | 8.261869 | 1.295×106 | 14.99 d | β− | |
519 | 205Bi | 83 | 122 | 8.17408 | 1.288×106 | 14.91 d | β+ | |
520 | 225Ra | 88 | 137 | 7.97357 | 1.280×106 | 14.8 d | β−, α [40] | DP |
521 | 32P | 15 | 17 | 8.830846 | 1.233×106 | 14.269 d | β− | CG, IM |
522 | 117mSn | 50 | 67 | 8.841259 | 1.204×106 | 13.94 d | IT | FP |
523 | 143Pr | 59 | 84 | 8.65221 | 1.172×106 | 13.57 d | β− | FP |
524 | 189Ir | 77 | 112 | 8.27476 | 1.140×106 | 13.2 d | β+ | |
525 | 136Cs | 55 | 81 | 8.70616 | 1.124×106 | 13.01 d | β− | |
526 | 126I | 53 | 73 | 8.76902 | 1.117×106 | 12.93 d | β+(53), β−(47) | |
527 | 140Ba | 56 | 84 | 8.66609 | 1.102×106 | 12.753 d | β− | FP |
528 | 126Sb | 51 | 75 | 8.7570 | 1.067×106 | 12.35 d | β− | FP |
529 | 202Tl | 81 | 121 | 8.199934 | 1.064×106 | 12.31 d | β+ | |
530 | 131mXe | 54 | 77 | 8.744980 | 1.032×106 | 11.95 d | IT | FP |
531 | 190Ir | 77 | 113 | 8.264758 | 1.015×106 | 11.751 d [41] | β+ | |
532 | 131Ba | 56 | 75 | 8.732990 | 9.953×105 | 11.52 d | β+ | |
533 | 71Ge | 32 | 39 | 9.05592 | 9.908×105 | 11.468 d [42] | β+ | |
534 | 223Ra | 88 | 135 | 7.994039 | 9.880×105 | 11.435 d | α | DP, IM |
535 | 147Nd | 60 | 87 | 8.602929 | 9.487×105 | 10.98 d | β− | FP |
536 | 246Pu | 94 | 152 | 7.80548 | 9.366×105 | 10.84 d | β− | |
537 | 193mIr | 77 | 116 | 8.249847 | 9.098×105 | 10.53 d | IT | |
538 | 188Pt | 78 | 110 | 8.27249 | 8.778×105 | 10.2 d | β+, α | |
539 | 92mNb | 41 | 51 | 9.00956 | 8.740×105 | 10.12 d | β+ | |
540 | 225Ac | 89 | 136 | 7.97515 | 8.570×105 | 9.919 d | α | DP, IM |
541 | 131Cs | 55 | 76 | 8.743498 | 8.371×105 | 9.69 d | β+ | IM |
542 | 125Sn | 50 | 75 | 8.75847 | 8.324×105 | 9.63 d | β− | FP |
543 | 169Er | 68 | 101 | 8.431799 | 8.115×105 | 9.39 d | β− | IM |
544 | 149Gd | 64 | 85 | 8.57553 | 8.018×105 | 9.28 d | β+, α | |
545 | 167Tm | 69 | 98 | 8.445828 | 7.992×105 | 9.25 d | β+ | |
546 | 129mXe | 54 | 75 | 8.757054 | 7.672×105 | 8.88 d | IT | |
547 | 206Po | 84 | 122 | 8.15961 | 7.603×105 | 8.8 d | β+(95), α (5.4) | |
548 | 72Se | 34 | 38 | 9.01393 | 7.258×105 | 8.40 d | β+ | |
549 | 106mAg | 47 | 59 | 8.89068 | 7.154×105 | 8.28 d | β+ | |
550 | 171Lu | 71 | 100 | 8.40950 | 7.125×105 | 8.25 d | β+ | |
551 | 131I | 53 | 78 | 8.738820 | 6.934×105 | 8.025 d | β− | FP, IM |
552 | 257Es | 99 | 158 | 6.653×105 | 7.7 d | β−, SF | ||
553 | 111Ag | 47 | 64 | 8.86605 | 6.422×105 | 7.43 d | β− | FP |
554 | 161Tb | 65 | 96 | 8.490335 | 6.003×105 | 6.948 d | β− | FP |
555 | 237U | 92 | 145 | 7.879799 | 5.834×105 | 6.752 d | β− | DP |
556 | 172Lu | 71 | 101 | 8.40118 | 5.789×105 | 6.70 d | β+ | |
557 | 177Lu | 71 | 106 | 8.367272 | 5.741×105 | 6.644 d | β− | IM |
558 | 132Cs | 55 | 77 | 8.731566 | 5.599×105 | 6.48 d | β+(98), β−(1.6) | |
559 | 206Bi | 83 | 123 | 8.16854 | 5.394×105 | 6.243 d | β+ | |
560 | 196Au | 79 | 117 | 8.23042 | 5.327×105 | 6.17 d | β+(93), β−(7) | |
561 | 56Ni | 28 | 28 | 9.033954 | 5.249×105 | 6.075 d | β+ | |
562 | 118Te | 52 | 66 | 8.8145 | 5.184×105 | 6.00 d | β+ | |
563 | 145Eu | 63 | 82 | 8.60919 | 5.124×105 | 5.93 d | β+ | |
564 | 120mSb [d] | 51 | 69 | 4.977×105 | 5.76 d | β+ | ||
565 | 52Mn | 25 | 27 | 9.046537 | 4.831×105 | 5.591 d | β+ | |
566 | 148Pm | 61 | 87 | 8.59068 | 4.638×105 | 5.368 d | β− | |
567 | 156Tb [d] | 65 | 91 | 8.52062 | 4.622×105 | 5.35 d | β+ | |
568 | 133Xe | 54 | 79 | 8.73029 | 4.534×105 | 5.247 d | β− | FP, IM |
569 | 155Tb | 65 | 90 | 8.53100 | 4.523×105 | 5.235 d [43] | β+ | |
570 | 183Ta | 73 | 110 | 8.318824 | 4.406×105 | 5.1 d | β− | |
571 | 210Bi | 83 | 127 | 8.141756 | 4.330×105 | 5.012 d | β−, α | DP |
572 | 245Bk | 97 | 148 | 7.819017 | 4.277×105 | 4.95 d | β+, α (0.12) | |
573 | 119mTe | 52 | 67 | 8.80176 | 4.061×105 | 4.70 d | β+ | |
574 | 146Eu | 63 | 83 | 8.59952 | 3.983×105 | 4.61 d | β+ | |
575 | 47Ca | 20 | 27 | 8.97227 | 3.919×105 | 4.536 d | β− | |
576 | 234Np | 93 | 141 | 7.90057 | 3.802×105 | 4.4 d | β+ | |
577 | 101mRh | 45 | 56 | 8.93523 | 3.752×105 | 4.34 d | ε (93), IT (7.2) | |
578 | 193mPt | 78 | 115 | 8.249193 | 3.741×105 | 4.33 d | IT | |
579 | 96Tc | 43 | 53 | 8.96530 | 3.698×105 | 4.28 d | β+ | |
580 | 231U | 92 | 139 | 7.92497 | 3.629×105 | 4.2 d | β+, α | |
581 | 175Yb | 70 | 105 | 8.383864 | 3.616×105 | 4.185 d | β− | |
582 | 124I | 53 | 71 | 8.77587 | 3.608×105 | 4.176 d | β+ | IM |
583 | 195mPt | 78 | 117 | 8.238163 | 3.465×105 | 4.010 d | IT | |
584 | 127Sb | 51 | 76 | 8.75398 | 3.326×105 | 3.85 d | β− | FP |
585 | 222Rn | 86 | 136 | 7.997570 | 3.302×105 | 3.822 d | α | DP |
586 | 186Re | 75 | 111 | 8.296734 | 3.213×105 | 3.719 d | β−(93), ε (7.5) | IM |
587 | 224Ra | 88 | 136 | 7.987274 | 3.138×105 | 3.632 d | α | DP |
588 | 100Pd | 46 | 54 | 8.9234 | 3.136×105 | 3.63 d | β+ | |
589 | 95mNb | 41 | 54 | 8.982377 | 3.119×105 | 3.61 d | IT (94), β−(5.6) | FP |
590 | 166Dy | 66 | 100 | 8.448333 | 2.938×105 | 3.40 d | β− | |
591 | 140Nd | 60 | 80 | 8.67315 | 2.912×105 | 3.37 d | β+ | |
592 | 47Sc | 21 | 26 | 9.01465 | 2.894×105 | 3.349 d | β− | IM |
593 | 87Y | 39 | 48 | 9.02555 | 2.873×105 | 3.33 d | β+ | |
594 | 89Zr | 40 | 49 | 9.02500 | 2.821×105 | 3.265 d | β+ | |
595 | 67Ga | 31 | 36 | 9.06952 | 2.818×105 | 3.262 d | β+ | IM |
596 | 132Te | 52 | 80 | 8.71668 | 2.768×105 | 3.20 d | β− | FP |
597 | 134Ce | 58 | 76 | 8.7044 | 2.730×105 | 3.16 d | β+ | |
598 | 199Au | 79 | 120 | 8.217518 | 2.712×105 | 3.139 d | β− | |
599 | 201Tl | 81 | 120 | 8.20655 | 2.628×105 | 3.042 d | β+ | IM |
600 | 253Fm | 100 | 153 | 7.757700 | 2.592×105 | 3.0 d | β+(88), α (12) | |
601 | 97Ru | 44 | 53 | 8.95916 | 2.451×105 | 2.837 d | β+ | |
602 | 191Pt | 78 | 113 | 8.25822 | 2.445×105 | 2.83 d | β+ | |
603 | 111In | 49 | 62 | 8.86764 | 2.423×105 | 2.805 d | β+ | IM |
604 | 99Mo | 42 | 57 | 8.939703 | 2.374×105 | 2.747 d | β− | FP, IM |
605 | 122Sb | 51 | 71 | 8.79537 | 2.353×105 | 2.724 d | β−(98), β+(2.4) | |
606 | 71As | 33 | 38 | 9.02756 | 2.350×105 | 2.721 d | β+ | |
607 | 197Hg | 80 | 117 | 8.22634 | 2.337×105 | 2.705 d | β+ | |
608 | 198Au | 79 | 119 | 8.220716 | 2.328×105 | 2.695 d | β− | IM |
609 | 182Re [d] | 75 | 107 | 2.311×105 | 2.68 d | β+ | ||
610 | 90Y | 39 | 51 | 9.032395 | 2.306×105 | 2.669 d | β− | FP, IM |
611 | 172Tm | 69 | 103 | 8.40489 | 2.290×105 | 2.65 d | β− | |
612 | 67Cu | 29 | 38 | 9.07609 | 2.226×105 | 2.576 d | β− | IM |
613 | 44m3Sc | 21 | 23 | 8.92461 | 2.110×105 | 2.442 d | IT, β+ | |
614 | 128Ba | 56 | 72 | 8.73826 | 2.100×105 | 2.43 d | β+ | |
615 | 77Br | 35 | 42 | 9.02242 | 2.053×105 | 2.377 d | β+ | |
616 | 166Yb | 70 | 96 | 8.44237 | 2.041×105 | 2.363 d | β+ | |
617 | 239Np | 93 | 146 | 7.864996 | 2.036×105 | 2.356 d | β− | DP |
618 | 177Ta | 73 | 104 | 8.36349 | 2.029×105 | 2.348 d | β+ | |
619 | 153Tb | 65 | 88 | 8.53742 | 2.022×105 | 2.34 d | β+ | |
620 | 66Ni | 28 | 38 | 9.07141 | 1.966×105 | 2.28 d | β− | |
621 | 247Pu | 94 | 153 | 1.961×105 | 2.27 d | β− | ||
622 | 198m2Au | 79 | 119 | 8.216616 | 1.963×105 | 2.27 d | IT | |
623 | 115Cd | 48 | 67 | 8.837270 | 1.925×105 | 2.228 d | β− | FP |
624 | 149Pm | 61 | 88 | 8.58182 | 1.911×105 | 2.212 d | β− | FP |
625 | 133mXe | 54 | 79 | 8.72854 | 1.899×105 | 2.20 d | IT | FP |
626 | 203Pb | 82 | 121 | 8.19342 | 1.869×105 | 2.164 d | β+ | |
627 | 240Am | 95 | 145 | 7.85669 | 1.829×105 | 2.12 d | β+, α | |
628 | 238Np | 93 | 145 | 7.871929 | 1.814×105 | 2.099 d | β− | |
629 | 172Er | 68 | 104 | 8.39971 | 1.775×105 | 2.05 d | β− | |
630 | 170Lu | 71 | 99 | 8.4084 | 1.738×105 | 2.01 d | β+ | |
631 | 72Zn | 30 | 42 | 9.01778 | 1.674×105 | 1.938 d | β− | |
632 | 153Sm | 62 | 91 | 8.545567 | 1.666×105 | 1.929 d | β− | FP, IM |
633 | 202Pt | 78 | 124 | 8.1837 | 1.584×105 | 1.83 d | β− | |
634 | 48Sc | 21 | 27 | 8.9985 | 1.572×105 | 1.820 d | β− | |
635 | 246Bk | 97 | 149 | 7.8113 | 1.555×105 | 1.80 d | β+ | |
636 | 195mHg | 80 | 115 | 8.2295 | 1.498×105 | 1.733 d | IT (54), β+(46) | |
637 | 188Ir | 77 | 111 | 8.27528 | 1.494×105 | 1.73 d | β+ | |
638 | 140La | 57 | 83 | 8.673547 | 1.450×105 | 1.679 d | β− | FP, IM |
639 | 254mEs | 99 | 155 | 7.74819 | 1.415×105 | 1.638 d | β−, α (0.3), ε (0.08) | |
640 | 69Ge | 32 | 37 | 9.04379 | 1.406×105 | 1.627 d | β+ | |
641 | 133mBa | 56 | 77 | 8.727447 | 1.400×105 | 1.621 d | IT, ε | |
642 | 77As | 33 | 44 | 9.03127 | 1.396×105 | 1.616 d | β− | FP |
643 | 119Sb | 51 | 68 | 8.82322 | 1.375×105 | 1.591 d | β+ | |
644 | 147Gd | 64 | 83 | 8.58395 | 1.370×105 | 1.586 d | β+ | |
645 | 194Au | 79 | 115 | 8.23736 | 1.369×105 | 1.584 d | β+ | |
646 | 229Pa | 91 | 138 | 7.94076 | 1.339×105 | 1.55 d | β+, α (0.5) | |
647 | 246Cf | 98 | 148 | 7.810789 | 1.285×105 | 1.49 d | α, SF | |
648 | 57Ni | 28 | 29 | 9.05525 | 1.282×105 | 1.483 d | β+ | |
649 | 105Rh | 45 | 60 | 8.90800 | 1.272×105 | 1.473 d | β− | FP |
650 | 82Br | 35 | 47 | 9.01642 | 1.270×105 | 1.470 d | β− | |
651 | 79Kr | 36 | 43 | 9.01362 | 1.261×105 | 1.46 d | β+ | |
652 | 137mCe | 58 | 79 | 8.696606 | 1.238×105 | 1.43 d | IT (99), β+(0.8) | |
653 | 169Lu | 71 | 98 | 8.41500 | 1.226×105 | 1.419 d | β+ | |
654 | 143Ce | 58 | 85 | 8.64199 | 1.189×105 | 1.377 d | β− | FP |
655 | 251Es | 99 | 152 | 7.77446 | 1.188×105 | 1.38 d | β+, α (0.5) | |
656 | 131mTe | 52 | 79 | 8.720393 | 1.169×105 | 1.353 d | β−(74), IT (26) | FP |
657 | 83Sr | 38 | 45 | 8.99660 | 1.167×105 | 1.350 d | β+ | |
658 | 129Cs | 55 | 74 | 8.74960 | 1.154×105 | 1.336 d | β+ | |
659 | 232Pa | 91 | 141 | 7.91637 | 1.140×105 | 1.32 d | β− | |
660 | 165Tm | 69 | 96 | 8.45271 | 1.082×105 | 1.253 d | β+ | |
661 | 193Os | 76 | 117 | 8.24435 | 1.074×105 | 1.243 d | β− | |
662 | 226Ac | 89 | 137 | 7.96376 | 1.057×105 | 1.224 d | β−(83), β+(17), α | |
663 | 160Er | 68 | 92 | 8.4842 | 1.029×105 | 1.191 d | β+ | |
664 | 151Pm | 61 | 90 | 8.55732 | 1.022×105 | 1.183 d | β− | FP |
665 | 135mBa | 56 | 79 | 8.720077 | 1.012×105 | 1.171 d | IT | |
666 | 121Sn | 50 | 71 | 8.808480 | 9.731×104 | 1.126 d | β− | FP |
667 | 166Ho | 67 | 99 | 8.451260 | 9.652×104 | 1.117 d | β− | IM |
668 | 76As | 33 | 43 | 9.02252 | 9.446×104 | 1.093 d | β− | |
669 | 200Tl | 81 | 119 | 8.20655 | 9.396×104 | 1.088 d | β+ | |
670 | 72As | 33 | 39 | 9.01896 | 9.360×104 | 1.083 d | β+ | |
671 | 231Th | 90 | 141 | 7.924929 | 9.187×104 | 1.063 d | β− | DP |
672 | 252Fm | 100 | 152 | 7.76649 | 9.140×104 | 1.058 d | α, SF | |
673 | 156m2Tb [d] | 65 | 91 | 8.78×104 | 1.02 d | IT | ||
674 | 189Re | 75 | 114 | 8.27227 | 8.748×104 | 1.01 d | β− |
Ordered by half-life.
No. | Nuclide | Z | N | Energy | Half-life (seconds) | Half-life (hours) | Decay mode | Notes |
---|---|---|---|---|---|---|---|---|
675 | 197mHg | 80 | 117 | 8.22483 | 8.575×104 | 23.82 | IT | |
676 | 187W | 74 | 113 | 8.284708 | 8.571×104 | 23.81 | β− | |
677 | 248mBk [d] | 97 | 151 | 7.79669 | 8.532×104 | 23.7 | β−(70), ε (30) | |
678 | 173Hf | 72 | 101 | 8.3916 | 8.496×104 | 23.6 | β+ | |
679 | 96Nb | 41 | 55 | 8.963014 | 8.406×104 | 23.35 | β− | |
680 | 154m2Tb [d] | 65 | 89 | 8.17×104 | 22.7 | β+ | ||
681 | 236mNp | 93 | 143 | 7.88726 | 8.1×104 | 22.5 | ε (50), β−(50) | |
682 | 43K | 19 | 24 | 8.921909 | 8.028×104 | 22.3 | β− | |
683 | 228Pa | 91 | 137 | 7.94446 | 7.92×104 | 22 | β+(98), α (2) | |
684 | 182Os | 76 | 106 | 8.3164 | 7.862×104 | 21.8 | β+ | |
685 | 48Cr | 24 | 24 | 8.9634 | 7.762×104 | 21.56 | β+ | |
686 | 154m1Tb [d] | 65 | 89 | 7.74×104 | 21.5 | β+ | ||
687 | 200Pb | 82 | 118 | 8.20257 | 7.740×104 | 21.5 | β+ | |
688 | 112Pd | 46 | 66 | 8.84204 | 7.574×104 | 21.0 | β− | FP |
689 | 28Mg | 12 | 16 | 8.607745 | 7.529×104 | 20.92 | β− | CG |
690 | 133I | 53 | 80 | 8.71686 | 7.499×104 | 20.83 | β− | FP |
691 | 100Rh | 45 | 55 | 8.9272 | 7.488×104 | 20.8 | β+ | |
692 | 122Xe | 54 | 68 | 8.77095 | 7.236×104 | 20.1 | β+ | |
693 | 255Fm | 100 | 155 | 7.74269 | 7.225×104 | 20.07 | α, SF | |
694 | 181Re | 75 | 106 | 8.32832 | 7.164×104 | 19.9 | β+ | |
695 | 197Pt | 78 | 119 | 8.225733 | 7.161×104 | 19.89 | β− | |
696 | 194Ir | 77 | 117 | 8.239008 | 6.966×104 | 19.35 | β− | |
697 | 95Tc | 43 | 52 | 8.97680 | 6.933×104 | 19.26 | β+ | |
698 | 142Pr | 59 | 83 | 8.66136 | 6.883×104 | 19.1 | β−, ε | |
699 | 135La | 57 | 78 | 8.71312 | 6.808×104 | 18.91 | β+ | |
700 | 200mAu | 79 | 121 | 8.2025 | 6.732×104 | 18.7 | β−(84), IT (16) | |
701 | 159Gd | 64 | 95 | 8.502525 | 6.652×104 | 18.48 | β− | FP |
702 | 152Tb | 65 | 87 | 8.5366 | 6.436×104 | 17.88 [44] | β+ | |
703 | 135Ce | 58 | 77 | 8.69810 | 6.372×104 | 17.7 | β+ | |
704 | 193Au | 79 | 114 | 8.24440 | 6.354×104 | 17.7 | β+ | |
705 | 151Tb | 65 | 86 | 8.54565 | 6.339×104 | 17.61 | β+, α | |
706 | 55Co | 27 | 28 | 9.053682 | 6.311×104 | 17.53 | β+ | |
707 | 188Re | 75 | 113 | 8.278855 | 6.122×104 | 17.01 | β− | IM |
708 | 125Xe | 54 | 71 | 8.76891 | 6.073×104 | 16.87 | β+ | |
709 | 97Zr | 40 | 57 | 8.926336 | 6.030×104 | 16.75 | β− | FP |
710 | 186Ir | 77 | 109 | 8.28192 | 5.990×104 | 16.64 | β+ | |
711 | 86Zr | 40 | 46 | 8.97793 | 5.940×104 | 16.5 | β+ | |
712 | 76Br | 35 | 41 | 8.9962 | 5.832×104 | 16.2 | β+ | |
713 | 119Te | 52 | 67 | 8.80395 | 5.778×104 | 16.05 | β+ | |
714 | 242Am | 95 | 147 | 7.842111 | 5.767×104 | 16.02 | β−(83), ε (17) | |
715 | 170Hf | 72 | 98 | 8.4022 | 5.764×104 | 16.0 | β+ | |
716 | 268Db | 105 | 163 | 5.76×104 | 16 [n 1] | α (51), SF (49) [45] | ||
717 | 157Eu | 63 | 94 | 8.51373 | 5.465×104 | 15.18 | β− | FP |
718 | 24Na | 11 | 13 | 8.422064 | 5.384×104 | 14.96 | β− | CG, IM |
719 | 76Kr | 36 | 40 | 8.97940 | 5.328×104 | 14.8 | β+ | |
720 | 86Y | 39 | 47 | 8.9932 | 5.306×104 | 14.74 | β+ | |
721 | 90Nb | 41 | 49 | 8.98978 | 5.256×104 | 14.60 | β+ | |
722 | 211Rn | 86 | 125 | 8.11281 | 5.256×104 | 14.6 | β+(73), α (27) | |
723 | 185Ir | 77 | 108 | 8.28192 | 5.184×104 | 14.4 | β+ | |
724 | 182mRe [d] | 75 | 107 | 8.3207 | 5.090×104 | 14.1 | β+ | |
725 | 240U | 92 | 148 | 7.85167 | 5.076×104 | 14.1 | β− | |
726 | 72Ga | 31 | 41 | 9.02393 | 5.049×104 | 14.03 | β− | |
727 | 69mZn | 30 | 39 | 9.05653 | 4.949×104 | 13.75 | IT, β− | |
728 | 109Pd | 46 | 63 | 8.87505 | 4.892×104 | 13.6 | β− | FP |
729 | 87mY | 39 | 48 | 9.02118 | 4.813×104 | 13.37 | IT (98), β+(1.6) | |
730 | 123I | 53 | 70 | 8.78630 | 4.760×104 | 13.2 | β+ | IM |
731 | 191mOs | 76 | 115 | 8.261479 | 4.716×104 | 13.10 | IT | |
732 | 183Os | 76 | 107 | 8.3099 | 4.680×104 | 13.0 | β+ | |
733 | 150mEu | 63 | 87 | 8.56965 | 4.608×104 | 12.8 | β−(89), β+(11) | |
734 | 64Cu | 29 | 35 | 9.093574 | 4.572×104 | 12.70 | β+(62), β−(38) | IM |
735 | 200Pt | 78 | 122 | 8.2043 | 4.536×104 | 12.6 | β− | |
736 | 130I | 53 | 77 | 8.74006 | 4.450×104 | 12.36 | β− | |
737 | 42K | 19 | 23 | 8.905176 | 4.448×104 | 12.36 | β− | IM |
738 | 171Hf | 72 | 99 | 8.3955 | 4.356×104 | 12.1 | β+ | |
739 | 239Am | 95 | 144 | 7.864664 | 4.284×104 | 11.9 | β+, α | |
740 | 193mHg | 80 | 113 | 8.23153 | 4.248×104 | 11.8 | β+(93), IT (7.2) | |
741 | 203Bi | 83 | 120 | 8.17735 | 4.234×104 | 11.76 | β+ | |
742 | 204Bi | 83 | 121 | 8.17252 | 4.039×104 | 11.22 | β+ | |
743 | 77Ge | 32 | 45 | 8.996161 | 4.036×104 | 11.21 | β− | FP |
744 | 266Lr | 103 | 163 | 3.96×104 | 11 [n 1] | SF | ||
745 | 189Pt | 78 | 111 | 8.26428 | 3.913×104 | 10.9 | β+ | |
746 | 195Hg | 80 | 115 | 8.2304 | 3.848×104 | 10.7 | β+ | |
747 | 212Pb | 82 | 130 | 8.106926 | 3.826×104 | 10.63 | β− | DP, IM |
748 | 175Ta | 73 | 102 | 8.3708 | 3.78×104 | 10.5 | β+ | |
749 | 187Ir | 77 | 110 | 8.2828 | 3.78×104 | 10.5 | β+ | |
750 | 245Pu | 94 | 151 | 7.81345 | 3.78×104 | 10.5 | β− | |
751 | 165Er | 68 | 97 | 8.462357 | 3.730×104 | 10.36 | β+ | |
752 | 93Y | 39 | 54 | 8.9770 | 3.665×104 | 10.18 | β− | FP |
753 | 244Am | 95 | 149 | 7.825912 | 3.604×104 | 10.01 | β− | |
754 | 154Tb [d] | 65 | 89 | 8.5269 | 3.598×104 | 9.99 | β+ | |
755 | 155Dy | 66 | 89 | 8.51749 | 3.564×104 | 9.9 | β+ | |
756 | 183mOs | 76 | 107 | 8.3090 | 3.564×104 | 9.9 | β+(85), IT(15) | |
757 | 91Sr | 38 | 53 | 8.99057 | 3.474×104 | 9.65 | β− | FP |
758 | 196m2Au | 79 | 117 | 8.22715 | 3.457×104 | 9.60 | IT | |
759 | 156Sm | 62 | 94 | 8.51594 | 3.384×104 | 9.4 | β− | FP |
760 | 127Te | 52 | 75 | 8.76644 | 3.366×104 | 9.35 | β− | FP |
761 | 201Pb | 82 | 119 | 8.19704 | 3.359×104 | 9.33 | β+ | |
762 | 152mEu | 63 | 89 | 8.550548 | 3.352×104 | 9.31 | β-(73), β+(27) | |
763 | 66Ga | 31 | 35 | 9.03683 | 3.349×104 | 9.30 | β+ | |
764 | 62Zn | 30 | 32 | 9.057900 | 3.309×104 | 9.19 | β+ | |
765 | 135Xe | 54 | 81 | 8.71141 | 3.290×104 | 9.14 | β− | FP |
766 | 128Sb | 51 | 77 | 8.7325 | 3.244×104 | 9.01 | β− | FP |
767 | 137Ce | 58 | 79 | 8.698463 | 3.24×104 | 9.0 | β+ | |
768 | 58mCo | 27 | 31 | 9.10274 | 3.187×104 | 8.85 | IT, β+ | |
769 | 234Pu | 94 | 140 | 7.89888 | 3.168×104 | 8.8 | β+(94), α (6) | |
770 | 184Ta | 73 | 111 | 8.3041 | 3.132×104 | 8.7 | β− | |
771 | 250Es [d] | 99 | 151 | 3.096×104 | 8.6 | β+ | ||
772 | 101Pd | 46 | 55 | 8.91718 | 3.049×104 | 8.47 | β+ | |
773 | 52Fe | 26 | 26 | 9.000782 | 2.979×104 | 8.28 | β+ | |
774 | 173Tm | 69 | 104 | 8.39650 | 2.966×104 | 8.24 | β− | |
775 | 180Ta | 73 | 107 | 8.34317 | 2.935×104 | 8.15 | ε (85), β−(15) | |
776 | 157Dy | 66 | 91 | 8.51352 | 2.930×104 | 8.14 | β+ | |
777 | 210At | 85 | 125 | 8.12833 | 2.916×104 | 8.1 | β+, α (0.2) | |
778 | 176Ta | 73 | 103 | 8.3632 | 2.912×104 | 8.09 | β+ | |
779 | 166Tm | 69 | 97 | 8.44413 | 2.772×104 | 7.70 | β+ | |
780 | 256Es [d] | 99 | 157 | 2.736×104 | 7.6 | β− | ||
781 | 171Er | 68 | 103 | 8.408849 | 2.706×104 | 7.52 | β− | |
782 | 199Tl | 81 | 118 | 8.2123 | 2.671×104 | 7.42 | β+ | |
783 | 211At | 85 | 126 | 8.12652 | 2.597×104 | 7.21 | β+(58), α (42) | IM |
784 | 73Se | 34 | 39 | 9.00593 | 2.574×104 | 7.15 | β+ | |
785 | 93mMo | 42 | 51 | 8.978653 | 2.466×104 | 6.85 | IT, β+(0.1) | |
786 | 234Pa | 91 | 143 | 7.89893 | 2.412×104 | 6.70 | β− | DP |
787 | 135I | 53 | 82 | 8.69190 | 2.369×104 | 6.58 | β− | FP |
788 | 107Cd | 48 | 59 | 8.88431 | 2.340×104 | 6.50 | β+ | |
789 | 82mRb | 37 | 45 | 8.99960 | 2.330×104 | 6.47 | β+ | |
790 | 153Dy | 66 | 87 | 8.52323 | 2.304×104 | 6.4 | β+, α | |
791 | 127Cs | 55 | 72 | 8.75037 | 2.250×104 | 6.25 | β+ | |
792 | 228Ac | 89 | 139 | 7.944587 | 2.214×104 | 6.15 | β− | DP |
793 | 99mTc | 43 | 56 | 8.951977 | 2.162×104 | 6.01 | IT, β− | FP, IM |
794 | 145Pr | 59 | 86 | 8.62046 | 2.154×104 | 5.98 | β− | FP |
795 | 189mOs | 76 | 113 | 8.277435 | 2.092×104 | 5.81 | IT | |
796 | 207Po | 84 | 123 | 8.15415 | 2.088×104 | 5.80 | β+, α | |
797 | 111mPd | 46 | 65 | 8.844414 | 2.003×104 | 5.56 | IT (77), β−(23) | |
798 | 90Mo | 42 | 48 | 8.96213 | 2.002×104 | 5.56 | β+ | |
799 | 180mHf | 72 | 108 | 8.341529 | 1.991×104 | 5.53 | IT, β−(0.3) | |
800 | 257Md | 101 | 156 | 7.725044 | 1.987×104 | 5.52 | ε (85), α (15) | |
801 | 139mNd | 60 | 79 | 8.6597 | 1.980×104 | 5.50 | β+(87), IT (13) | |
802 | 209At | 85 | 124 | 8.13296 | 1.951×104 | 5.42 | β+(96), α (3.9) | |
803 | 113Ag | 47 | 66 | 8.8415 | 1.933×104 | 5.37 | β− | |
804 | 156m1Tb | 65 | 91 | 8.52006 | 1.908×104 | 5.3 | IT | |
805 | 198Tl | 81 | 117 | 8.21035 | 1.908×104 | 5.3 | β+ | |
806 | 251Fm | 100 | 151 | 7.76869 | 1.908×104 | 5.30 | β+(98), α (1.8) | |
807 | 133mCe | 58 | 75 | 8.6907 | 1.836×104 | 5.1 | β+ | |
808 | 138Nd | 60 | 78 | 8.66564 | 1.814×104 | 5.04 | β+ | |
809 | 160mHo | 67 | 93 | 8.48583 | 1.807×104 | 5.02 | IT (73), β+(27) | |
810 | 244Bk | 97 | 147 | 7.82249 | 1.807×104 | 5.02 | β+, α | |
811 | 118m2Sb | 51 | 67 | 8.81493 | 1.800×104 | 5.00 | β+ | |
812 | 243Pu | 94 | 149 | 7.83364 | 1.784×104 | 4.96 | β− | |
813 | 192Au | 79 | 113 | 8.24201 | 1.778×104 | 4.94 | β+ | |
814 | 110In | 49 | 61 | 8.8574 | 1.771×104 | 4.92 | β+ | |
815 | 94Tc | 43 | 51 | 8.96662 | 1.758×104 | 4.88 | β+ | |
816 | 85mY | 39 | 46 | 8.9869 | 1.750×104 | 4.86 | β+ | |
817 | 73Ga | 31 | 42 | 9.02610 | 1.750×104 | 4.86 | β− | |
818 | 192Hg | 80 | 112 | 8.23804 | 1.746×104 | 4.85 | β+ | |
819 | 99mRh | 45 | 54 | 8.9352 | 1.69×104 | 4.7 | β+ | |
820 | 243Bk | 97 | 146 | 7.82980 | 1.66×104 | 4.6 | β+, α (0.15) | |
821 | 264Lr | 103 | 161 | 1.66×104 | 4.6 [n 1] | SF [45] | ||
822 | 132La | 57 | 75 | 8.7056 | 1.652×104 | 4.59 | β+ | |
823 | 179Lu | 71 | 108 | 8.34539 | 1.652×104 | 4.59 | β− | |
824 | 81Rb | 37 | 44 | 9.00289 | 1.646×104 | 4.57 | β+ | IM |
825 | 115mIn | 49 | 66 | 8.846971 | 1.615×104 | 4.49 | IT (95), β−(5.0) | FP |
826 | 85mKr | 36 | 49 | 9.02632 | 1.613×104 | 4.48 | β−(79), IT (21) | FP |
827 | 105Ru | 44 | 61 | 8.88974 | 1.598×104 | 4.44 | β− | FP |
828 | 80mBr | 35 | 45 | 9.01886 | 1.591×104 | 4.42 | IT | |
829 | 139Pr | 59 | 80 | 8.68160 | 1.588×104 | 4.41 | β+ | |
830 | 129Sb | 51 | 78 | 8.7274 | 1.584×104 | 4.40 | β− | FP |
831 | 109In | 49 | 60 | 8.86480 | 1.497×104 | 4.16 | β+ | |
832 | 110Sn | 50 | 60 | 8.8517 | 1.495×104 | 4.15 | β+ | |
833 | 71mZn | 30 | 41 | 9.01739 | 1.493×104 | 4.15 | β− | |
834 | 184Hf | 72 | 112 | 8.2969 | 1.483×104 | 4.12 | β− | |
835 | 149Tb | 65 | 84 | 8.55111 | 1.482×104 | 4.12 | β+(83), α (17) | |
836 | 44Sc | 21 | 23 | 8.93077 | 1.455×104 | 4.04 | β+ | |
837 | 262Lr | 103 | 159 | 1.44×104 | 4 | β+, SF | ||
838 | 141La | 57 | 84 | 8.65947 | 1.411×104 | 3.92 | β− | FP |
839 | 133La | 57 | 76 | 8.7141 | 1.408×104 | 3.91 | β+ | |
840 | 43Sc | 21 | 22 | 8.91290 | 1.401×104 | 3.89 | β+ | |
841 | 193Hg | 80 | 113 | 8.23226 | 1.368×104 | 3.80 | β+ | |
842 | 195mIr | 77 | 118 | 8.23333 | 1.346×104 | 3.74 | β− | |
843 | 176mLu | 71 | 105 | 8.373929 | 1.319×104 | 3.66 | β−, ε (0.1) | |
844 | 202mPb | 82 | 120 | 8.18900 | 1.274×104 | 3.54 | IT (90), β+(9.5) | |
845 | 92Y | 39 | 53 | 8.99323 | 1.274×104 | 3.54 | β− | FP |
846 | 204Po | 84 | 120 | 8.16122 | 1.267×104 | 3.52 | β+(99), α (0.7) | |
847 | 132Ce | 58 | 74 | 8.6961 | 1.264×104 | 3.51 | β+ | |
848 | 150Tb | 65 | 85 | 8.54536 | 1.253×104 | 3.48 | β+ | |
849 | 117mCd | 48 | 69 | 8.808771 | 1.239×104 | 3.44 | β− | FP |
850 | 61Cu | 29 | 32 | 9.08745 | 1.203×104 | 3.34 | β+ | |
851 | 254Fm | 100 | 154 | 7.752804 | 1.166×104 | 3.24 | α, SF (0.06) | |
852 | 209Pb | 82 | 127 | 8.155598 | 1.165×104 | 3.24 | β− | DP |
853 | 90mY | 39 | 51 | 9.024817 | 1.161×104 | 3.23 | IT, β− | |
854 | 250Bk | 97 | 153 | 7.77951 | 1.156×104 | 3.21 | β− | |
855 | 161Er | 68 | 93 | 8.47629 | 1.156×104 | 3.21 | β+ | |
856 | 191Au | 79 | 112 | 8.24827 | 1.145×104 | 3.18 | β+ | |
857 | 173Ta | 73 | 100 | 8.3742 | 1.130×104 | 3.14 | β+ | |
858 | 112Ag | 47 | 65 | 8.84439 | 1.127×104 | 3.13 | β− | |
859 | 247Cf | 98 | 149 | 7.80367 | 1.120×104 | 3.11 | β+, α | |
860 | 167Ho | 67 | 100 | 8.44425 | 1.116×104 | 3.1 | β− | |
861 | 190mRe | 75 | 115 | 8.25752 | 1.116×104 | 3.1 | β−(54), IT (46) | |
862 | 184Ir | 77 | 107 | 8.2866 | 1.112×104 | 3.09 | β+ | |
863 | 190m3Ir | 77 | 113 | 8.262777 | 1.111×104 | 3.09 | β+(91), IT (8.6) | |
864 | 45Ti | 22 | 23 | 8.93821 | 1.109×104 | 3.08 | β+ | |
865 | 134mCs | 55 | 79 | 8.718724 | 1.048×104 | 2.91 | IT, ε (0.3) | |
866 | 197Tl | 81 | 116 | 8.21525 | 1.022×104 | 2.84 | β+ | |
867 | 38S | 16 | 22 | 8.7782 | 1.022×104 | 2.84 | β− | |
868 | 88Kr | 36 | 52 | 8.97690 | 1.017×104 | 2.83 | β− | FP |
869 | 87mSr | 38 | 49 | 9.042485 | 1.010×104 | 2.81 | IT, ε (0.3) | |
870 | 117Sb | 51 | 66 | 8.82892 | 1.008×104 | 2.80 | β+ | |
871 | 224Ac | 89 | 135 | 7.98099 | 1.001×104 | 2.78 | β+(91), α (9.5) | |
872 | 93Tc | 43 | 50 | 8.97031 | 9.90×103 | 2.75 | β+ | |
873 | 150Pm | 61 | 89 | 8.5620 | 9.713×103 | 2.70 | β− | |
874 | 85Y | 39 | 46 | 8.9871 | 9.648×103 | 2.68 | β+ | |
875 | 31Si | 14 | 17 | 8.811610 | 9.430×103 | 2.62 | β− | CG |
876 | 256Fm | 100 | 156 | 7.73739 | 9.426×103 | 2.62 | SF (92), α (8.1) | |
877 | 92Sr | 38 | 54 | 8.97205 | 9.400×103 | 2.61 | β− | FP |
878 | 56Mn | 25 | 31 | 9.087598 | 9.284×103 | 2.58 | β− | |
879 | 65Ni | 28 | 37 | 9.073254 | 9.063×103 | 2.52 | β− | |
880 | 117Cd | 48 | 69 | 8.809937 | 9.011×103 | 2.50 | β− | FP |
881 | 176W | 74 | 102 | 8.3591 | 9.00×103 | 2.5 | β+ | |
882 | 239Cm | 96 | 143 | 9.00×103 | 2.5 | β+, α | ||
883 | 116Te | 52 | 64 | 8.8064 | 8.964×103 | 2.49 | β+ | |
884 | 141Nd | 60 | 81 | 8.66842 | 8.964×103 | 2.49 | β+ | |
885 | 161Ho | 67 | 94 | 8.48869 | 8.928×103 | 2.48 | β+ | |
886 | 210Rn | 86 | 124 | 8.11706 | 8.640×103 | 2.40 | α (96), β+(4) | |
887 | 198Pb | 82 | 116 | 8.20297 | 8.640×103 | 2.4 | β+ | |
888 | 152Dy | 66 | 86 | 8.53262 | 8.568×103 | 2.38 | β+, α (0.1) | IM |
889 | 83Br | 35 | 48 | 9.02329 | 8.546×103 | 2.37 | β− | FP |
890 | 178Ta [d] | 73 | 105 | 8.496×103 | 2.36 | β+ | ||
891 | 187Pt | 78 | 109 | 8.2675 | 8.460×103 | 2.35 | β+ | |
892 | 165Dy | 66 | 99 | 8.456847 | 8.395×103 | 2.33 | β− | IM |
893 | 132I | 53 | 79 | 8.72059 | 8.262×103 | 2.30 | β− | FP |
894 | 158Er | 68 | 90 | 8.4846 | 8.24×103 | 2.29 | β+ | |
895 | 195Ir | 77 | 118 | 8.233843 | 8.24×103 | 2.29 | β− | |
896 | 66Ge | 32 | 34 | 9.00476 | 8.136×103 | 2.26 | β+ | |
897 | 129Ba | 56 | 73 | 8.73071 | 8.028×103 | 2.23 | β+ | |
898 | 250mEs [d] | 99 | 151 | 7.99×103 | 2.22 | β+ | ||
899 | 177W | 74 | 103 | 8.3521 | 7.94×103 | 2.21 | β+ | |
900 | 238Cm | 96 | 142 | 7.86357 | 7.92×103 | 2.2 | β+(96), α (3.8), SF | |
901 | 106mRh | 45 | 61 | 8.88482 | 7.86×103 | 2.18 | β− | |
902 | 129mBa | 56 | 73 | 8.73064 | 7.686×103 | 2.14 | β+ | |
903 | 138mPr | 59 | 79 | 8.6712 | 7.632×103 | 2.12 | β+ | |
904 | 121I | 53 | 68 | 8.78409 | 7.632×103 | 2.12 | β+ | |
905 | 127Sn | 50 | 77 | 8.72856 | 7.560×103 | 2.10 | β− | FP |
906 | 123Xe | 54 | 69 | 8.76439 | 7.488×103 | 2.08 | β+ | |
907 | 186Pt | 78 | 108 | 8.2749 | 7.488×103 | 2.08 | β+, α | |
908 | 245Am | 95 | 150 | 7.818663 | 7.380×103 | 2.05 | β− | |
909 | 89Nb [d] | 41 | 48 | 8.9772 | 7.308×103 | 2.03 | β+ | |
910 | 117mIn | 49 | 68 | 8.82882 | 6.972×103 | 1.94 | β−(53), IT (47) | FP |
911 | 186mIr | 77 | 109 | 8.28191 | 6.912×103 | 1.92 | β+(~75), IT (~25) | |
912 | 177Yb | 70 | 107 | 8.359377 | 6.880×103 | 1.91 | β− | |
913 | 198mTl | 81 | 117 | 8.20761 | 6.732×103 | 1.87 | β+(56), IT (44) | |
914 | 196Tl | 81 | 115 | 8.21161 | 6.624×103 | 1.84 | β+ | |
915 | 83m2Kr | 36 | 47 | 9.034560 | 6.588×103 | 1.83 | IT | FP |
916 | 18F | 9 | 9 | 8.02281 | 6.584×103 | 1.83 | β+ | CG, IM |
917 | 41Ar | 18 | 23 | 8.877842 | 6.577×103 | 1.83 | β− | CG |
918 | 163Tm | 69 | 94 | 8.45615 | 6.516×103 | 1.81 | β+ | |
919 | 207At | 85 | 122 | 8.13522 | 6.516×103 | 1.81 | β+(~90), α (~10) | |
920 | 239Pa | 91 | 148 | 6.48×103 | 1.8 | β− | ||
921 | 224Rn | 86 | 138 | 7.97112 | 6.420×103 | 1.78 | β− | |
922 | 80Sr | 38 | 42 | 8.95021 | 6.378×103 | 1.77 | β+ | |
923 | 181Os | 76 | 105 | 8.3119 | 6.30×103 | 1.75 | β+ | |
924 | 205Po | 84 | 121 | 8.15679 | 6.264×103 | 1.74 | β+, α | |
925 | 149Nd | 60 | 89 | 8.57048 | 6.221×103 | 1.73 | β− | FP |
926 | 202Bi | 83 | 119 | 8.17405 | 6.19×103 | 1.72 | β+ | |
927 | 201Bi | 83 | 118 | 8.17793 | 6.18×103 | 1.72 | β+ | |
928 | 249Es | 99 | 150 | 6.132×103 | 1.70 | β+(99), α (0.6) | ||
929 | 87Zr | 40 | 47 | 8.98335 | 6.048×103 | 1.68 | β+ | |
930 | 126Ba | 56 | 70 | 8.72743 | 6.00×103 | 1.67 | β+ | |
931 | 113mIn | 49 | 64 | 8.858711 | 5.968×103 | 1.66 | IT | |
932 | 61Co | 27 | 34 | 9.10244 | 5.936×103 | 1.65 | β− | |
933 | 147Tb | 65 | 82 | 8.55256 | 5.90×103 | 1.64 | β+ | |
934 | 238Am | 95 | 143 | 7.8679 | 5.880×103 | 1.63 | β+, α | |
935 | 208At | 85 | 123 | 8.13127 | 5.868×103 | 1.63 | β+(99), α (0.6) | |
936 | 133Ce | 58 | 75 | 8.6910 | 5.82×103 | 1.62 | β+ | |
937 | 75Br | 35 | 40 | 8.99274 | 5.80×103 | 1.61 | β+ | |
938 | 95Ru | 44 | 51 | 8.9498 | 5.785×103 | 1.61 | β+ | |
939 | 259Md | 101 | 158 | 5.76×103 | 1.60 | SF | ||
940 | 152m5Eu | 63 | 89 | 8.549875 | 5.748×103 | 1.60 | IT | |
941 | 197mPt | 78 | 119 | 8.223706 | 5.725×103 | 1.59 | IT (97), β−(3.3) | |
942 | 230Ra | 88 | 142 | 7.92125 | 5.580×103 | 1.55 | β− | |
943 | 142La | 57 | 85 | 8.63487 | 5.466×103 | 1.52 | β− | FP |
944 | 78As | 33 | 45 | 9.0049 | 5.442×103 | 1.51 | β− | FP |
945 | 199Pb | 82 | 117 | 8.19811 | 5.40×103 | 1.5 | β+ | |
946 | 78Ge | 32 | 46 | 8.99263 | 5.28×103 | 1.47 | β− | FP |
947 | 255Cf | 98 | 157 | 5.10×103 | 1.42 | β− | ||
948 | 196mTl | 81 | 115 | 8.20960 | 5.076×103 | 1.41 | β+(96), IT (3.8) | |
949 | 196mIr | 77 | 119 | 8.2204 | 5.040×103 | 1.40 | β− | |
950 | 267Db | 105 | 162 | 5.04×103 | 1.4 [n 1] | SF | ||
951 | 132mI | 53 | 79 | 8.71976 | 4.993×103 | 1.39 | IT (86), β−(14) | FP |
952 | 139Ba | 56 | 83 | 8.682210 | 4.976×103 | 1.38 | β− | FP |
953 | 75Ge | 32 | 43 | 9.029411 | 4.967×103 | 1.38 | β− | |
954 | 120I | 53 | 67 | 8.7692 | 4.900×103 | 1.36 | β+ | |
955 | 256Md | 101 | 155 | 4.662×103 | 1.30 | β+(91), α (9.2) | ||
956 | 137Pr | 59 | 78 | 8.67863 | 4.608×103 | 1.28 | β+ | |
957 | 87Kr | 36 | 51 | 8.999014 | 4.578×103 | 1.27 | β− | FP |
958 | 164Yb | 70 | 94 | 8.44334 | 4.548×103 | 1.26 | β+ | |
959 | 163Er | 68 | 95 | 8.47112 | 4.500×103 | 1.25 | β+ | |
960 | 178Yb | 70 | 108 | 8.35040 | 4.440×103 | 1.23 | β− | |
961 | 237Am | 95 | 142 | 4.416×103 | 1.23 | β+, α | ||
962 | 77Kr | 36 | 41 | 8.98261 | 4.368×103 | 1.21 | β+ | |
963 | 142Sm | 62 | 80 | 8.62753 | 4.349×103 | 1.21 | β+ | |
964 | 97Nb | 41 | 56 | 8.95382 | 4.326×103 | 1.20 | β− | FP |
965 | 185Pt | 78 | 107 | 8.2696 | 4.254×103 | 1.18 | β+ | |
966 | 195Tl | 81 | 114 | 8.21570 | 4.176×103 | 1.16 | β+ | |
967 | 129Te | 52 | 77 | 8.745775 | 4.176×103 | 1.16 | β− | FP |
968 | 104Ag | 47 | 57 | 8.88974 | 4.152×103 | 1.15 | β+ | |
969 | 110mIn | 49 | 61 | 8.8568 | 4.146×103 | 1.15 | β+ | |
970 | 174Ta | 73 | 101 | 8.3687 | 4.104×103 | 1.14 | β+ | |
971 | 68Ga | 31 | 37 | 9.05788 | 4.071×103 | 1.13 | β+ | IM |
972 | 85mSr | 38 | 47 | 9.02267 | 4.058×103 | 1.13 | IT (87), β+(13) | |
973 | 190mIr | 77 | 113 | 8.264621 | 4.032×103 | 1.12 | IT | |
974 | 162mHo | 67 | 95 | 8.47832 | 4.020×103 | 1.12 | IT (62), β+(38) | |
975 | 204m2Pb | 82 | 122 | 8.183690 | 4.016×103 | 1.12 | IT | |
976 | 89mNb [d] | 41 | 48 | 3.96×103 | 1.10 | β+ | ||
977 | 103Ag | 47 | 56 | 8.89465 | 3.942×103 | 1.10 | β+ | |
978 | 249Cm | 96 | 153 | 7.787179 | 3.849×103 | 1.07 | β− | |
979 | 229Ac | 89 | 140 | 7.93730 | 3.762×103 | 1.05 | β− | |
980 | 117Te | 52 | 65 | 8.7986 | 3.720×103 | 1.03 | β+ | |
981 | 240Np | 93 | 147 | 7.85333 | 3.714×103 | 1.03 | β− | |
982 | 182mHf | 72 | 110 | 8.31790 | 3.69×103 | 1.03 | β−(54), IT (46) | |
983 | 183Hf | 72 | 111 | 8.3078 | 3.665×103 | 1.02 | β− | |
984 | 212Bi | 83 | 129 | 8.109610 | 3.633×103 | 1.01 | β−(64), α (36) | DP |
985 | 116m2Sb | 51 | 65 | 8.8165 | 3.618×103 | 1.01 | β+ | |
986 | 148Tb | 65 | 83 | 8.54792 | 3.60×103 | 1.00 | β+ | |
987 | 270Db | 105 | 165 | 3.6×103 | 1.0 [n 1] | α (~87), SF (~13) |
The following is incomplete and out of date, but is the only such list we have.
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