依半衰期排列的放射性核素列表
103秒

| 核素 | 半衰期> 分鐘 | 半衰期> 103秒 |
| --- | --- | --- |
| 锔-251 | 16.8 | 1.01 |
| 钾-45 | 17.8 | 1.07 |
| 镝-151 | 17.9 | 1.07 |
| 锝-104 | 18.3 | 1.10 |
| 钫-212 | 20.0 | 1.20 |
| 碳-11 | 20.3402 | 1.22041 |
| 钷-141 | 20.90 | 1.254 |
| 锰-52m | 21.1 | 1.27 |
| 铥-162 | 21.70 | 1.302 |
| 钫-223 | 22.00 | 1.320 |
| 钾-44 | 22.13 | 1.328 |
| 钆-145 | 23.0 | 1.38 |
| 氡-212 | 23.9 | 1.43 |
| 氡-223 | 24.3 | 1.46 |
| 氡-208 | 24.35 | 1.461 |
| 碲-131 | 25.0 | 1.50 |
| 氡-221 | 25.7 | 1.54 |
| 铪-168 | 25.95 | 1.557 |
| 砹-205 | 26.2 | 1.57 |
| 氡-209 | 28.5 | 1.71 |
| 铯-130 | 29.21 | 1.753 |
| 钕-139 | 29.7 | 1.78 |
| 铥-161 | 30.2 | 1.81 |
| 砹-206 | 30.6 | 1.84 |
| 氯-34m | 31.99 | 1.919 |
| 铯-138 | 33.41 | 2.005 |
| 氯-38 | 37.24 | 2.234 |
| 钕-137 | 38.5 | 2.31 |
| 氙-120 | 40 | 2.4 |
| 氙-121 | 40.1 | 2.41 |
| 碲-134 | 41.8 | 2.51 |
| 锝-93m1 | 43.5 | 2.61 |
| 铹-261 | 44 | 2.6 |
| 锰-51 | 46.2 | 2.77 |
| 铯-125 | 46.7 | 2.80 |
| 钕-136 | 50.65 | 3.039 |
| 铪-177m3 | 51.4 | 3.08 |
| 锝-96m | 51.5 | 3.09 |
| 锝-94m | 52.0 | 3.12 |
| 铯-135m | 53 | 3.2 |
| 碲-133m | 55.4 | 3.32 |
| 氯-39 | 56.2 | 3.37 |
| 鍩-259 | 58 | 3.5 |
|  | 小時 | 103秒 |
| 铪-182m | 1.025 | 3.69 |
| 碲-117 | 1.03 | 3.7 |
| 铪-183 | 1.067 | 3.84 |
| 锔-249 | 1.0692 | 3.849 |
| 碲-129 | 1.160 | 4.18 |
| 砹-208 | 1.63 | 5.9 |
| 钕-149 | 1.728 | 6.22 |
| 氡-224 | 1.78 | 6.4 |
| 砹-207 | 1.80 | 6.5 |
| 铥-163 | 1.810 | 6.52 |
| 氩-41 | 1.8268 | 6.576 |
| 氟-18 | 1.82890 | 6.5840 |
| 氙-123 | 2.08 | 7.5 |
| 锔-238 | 2.2 | 7.9 |
| 镝-165 | 2.334 | 8.40 |
| 镝-152 | 2.38 | 8.6 |
| 氡-210 | 2.4 | 8.6 |
| 碲-116 | 2.49 | 9.0 |
| 钕-141 | 2.49 | 9.0 |
| 锔-239 | 2.5 | 9.0 |
| 镍-65 | 2.5172 | 9.062 |
| 锰-56 | 2.5789 | 9.284 |
| 钷-150 | 2.68 | 9.6 |
| 锝-93 | 2.75 | 9.9 |
| 铯-134m | 2.912 | 10.48 |
| 铹-262 | 3.60 | 13.0 |
| 铪-184 | 4.12 | 14.8 |
| 铹-264 | 4.8 | 17 |
| 锝-94 | 4.88 | 17.6 |
| 钕-138 | 5.04 | 18.1 |
| 砹-209 | 5.41 | 19.5 |
| 铪-180m1 | 5.47 | 19.7 |
| 钕-139m1 | 5.50 | 19.8 |
| 鍆-257 | 5.52 | 19.9 |
| 锝-99m | 6.0067 | 21.624 |
| 铯-127 | 6.25 | 22.5 |
| 镝-153 | 6.4 | 23 |
| 砹-211 | 7.214 | 25.97 |
| 铥-166 | 7.70 | 27.7 |
| 砹-210 | 8.1 | 29 |
| 镝-157 | 8.14 | 29.3 |
| 铥-173 | 8.24 | 29.7 |
| 氙-135 | 9.14 | 32.9 |
| 碲-127 | 9.35 | 33.7 |
| 镝-155 | 9.9 | 36 |
| 鉺-165 | 10.36 | 37.3 |
| 铹-266 | 11 | 40 |
| 铪-171 | 12.1 | 44 |
| 钾-42 | 12.355 | 44.48 |
| 氡-211 | 14.6 | 53 |
| 铪-170 | 16.01 | 57.6 |
| 碲-119 | 16.05 | 57.8 |
| 氙-125 | 16.9 | 61 |
| 钆-159 | 18.479 | 66.52 |
| 锝-95 | 20.0 | 72 |
| 氙-122 | 20.1 | 72 |
| 钾-43 | 22.3 | 80 |
| 铪-173 | 23.6 | 85 |
|  | 天 | 103秒 |
| 鐨-252 | 1.058 | 91.4 |
| 钷-151 | 1.183 | 102.2 |
| 鉺-160 | 1.191 | 102.9 |
| 碲-131m | 1.3 | 110 |
| 铥-165 | 1.253 | 108.3 |
| 铯-129 | 1.336 | 115.4 |
| 镍-57 | 1.483 | 128.1 |
| 钆-147 | 1.586 | 137.0 |
| 氙-133m | 2.19 | 189 |
| 钷-149 | 2.212 | 191.1 |
| 镍-66 | 2.28 | 197 |
| 铥-172 | 2.65 | 229 |
| 鐨-253 | 3 | 260 |
| 碲-132 | 3.204 | 276.8 |
| 镝-166 | 3.40 | 294 |
| 钕-140 | 3.37 | 291 |
| 氡-222 | 3.8235 | 330.35 |
| 锝-96 | 4.28 | 370 |
| 钙-47 | 4.536 | 391.9 |
| 碲-119m | 4.70 | 406 |
| 氙-133 | 5.2475 | 453.38 |
| 錳-52 | 5.591 | 483.1 |
| 钷-148 | 5.368 | 463.8 |
| 碲-118 | 6.00 | 518 |
| 镍-56 | 6.075 | 524.9 |
| 铯-132 | 6.480 | 559.9 |
| 氙-129m | 8.88 | 767 |
| 銩-167 | 9.25 | 799 |
| 钆-149 | 9.28 | 802 |
| 铯-131 | 9.689 | 837.1 |
| 钕-147 | 10.98 | 949 |