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这是依半衰期排列的放射性核素列表，次序由最短至最长。现在的方法难以测量在10−19和10−10秒之间的半衰期。[1]
 | 此条目需要更新。 (2023年6月4日) |
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| 核素 | 半衰期 10−18秒 |
|---|---|
| 铍-9m | 1.25 |
| 锂-6m | 56 |
| 铍-8 | 81.9 |
| 核素 | 半衰期 10−9秒 |
|---|---|
| 锂-12 | 10 |
| 碲-104[8] | <18 |
| 钾-33 | <25 |
| 硼-18 | <26 |
| 氯-30[5] | <30 |
| 钾-34 | <40 |
| 钫-215 | 86 |
| 钫-214m2 | 103 |
| 钫-214m3 | 108 |
| 锝-85 | <110 |
| 铯-123m2 | 114 |
| 碲-130m1 | 115 |
| 钾-50m | 125 |
| 砹-213 | 125 |
| 钕-156m | 135 |
| 铪-174m1 | 138 |
| 氙-125m2 | 140 |
| 钕-139m2 | ≥141 |
| 氟-18m | 162 |
| 铪-172m | 163 |
| 碲-134m1 | 164.1 |
| 锔-242m | 180 |
| 锝-107m | 184 |
| 铝-32m | 200 |
| 钾-43m | 200 |
| 镍-70m | 232 |
| 铍-12m | 233 |
| 氡-214m | 245 |
| 碲-130m3 | 261 |
| 砹-214m1 | 265 |
| 铪-187m | 270 |
| 氡-214 | 270 |
| 镍-68m1 | 276 |
| 锔-245m | 290 |
| 铥-152m2 | 294 |
| 钕-133m2 | 300 |
| 钾-40m | 336 |
| 碲-128m | 370 |
| 锝-104m2 | 400 |
| 镝-147m2 | 400 |
| 砹-206m | 410 |
| 镍-69m2 | 439 |
| 铥-151m2 | 451 |
| 锔-244m2 | >500 |
| 碲-135m1 | 510 |
| 钆-147m | 510 |
| 砹-214 | 558 |
| 铪-180m2 | 570 |
| 碲-105 | 620 |
| 钷-141m1 | 630 |
| 氡-210m1 | 644 |
| 钫-216 | 700 |
| 锘-250m2[9] | 700 |
| 砹-214m2 | 760 |
| 钷-144m1 | 780 |
| 铥-167m2 | 900 |
| 核素 | 半衰期 10−6秒 |
|---|---|
| 铹-255m2 | <1 |
| 铯-122m1 | >1 |
| 铯-126m1 | >1 |
| 钕-154m2 | >1 |
| 锝-92m | 1.03 |
| 氡-210m3 | 1.04 |
| 氡-210m2 | 1.06 |
| 锔-243m | 1.08 |
| 锝-86m | 1.11 |
| 铥-167m1 | 1.16 |
| 锘-255m3 | 1.2 |
| 钕-154m1 | 1.3 |
| 钆-156m | 1.3 |
| 镝-157m1 | 1.3 |
| 镍-63m | 1.67 |
| 碲-130m2 | 1.90 |
| 铥-144[10] | 1.9 |
| 锘-251m2[11] | ～2 |
| 钷-141m2 | >2 |
| 氡-215 | 2.3 |
| 铪-174m2 | 2.39 |
| 氙-136m | 2.95 |
| 氡-209m2 | 3.0 |
| 铥-145 | 3.1 |
| 锝-100m2 | 3.2 |
| 锝-104m1 | 3.5 |
| 钆-153m1 | 3.5 |
| 铪-174m3 | 3.7 |
| 锘-250[9] | 4.0 |
| 铥-170m | 4.12 |
| 氙-134m2 | 5 |
| 氙-123m | 5.49 |
| 砹-210m2 | 5.66 |
| 钆-138m | 6 |
| 镝-155m | 6 |
| 镝-140m | 7.0 |
| 碲-115m2 | 7.5 |
| 砹-205m | 7.76 |
| 锘-256m[12] | 7.8 |
| 锝-100m1 | 8.32 |
| 铥-173m | 10 |
| 铪-180m4 | 10 |
| 铪-180m5 | >10 |
| 锝-93m2 | 10.2 |
| 镍-67m | 13.3 |
| 氡-209m1 | 13.4 |
| 锝-98m | 14.7 |
| 铪-180m3 | 15 |
| 铯-113 | 16.7 |
| 钫-217 | 16.8 |
| 钾-38m2 | 21.95 |
| 锔-249m | 23 |
| 锘-250m1[9] | 23 |
| 锔-247m1 | 26.3 |
| 锘-253m1 | 30.3 |
| 氡-216 | 45 |
| 铯-127m | 55 |
| 铪-177m2 | 55.9 |
| 氙-108[8] | 58 |
| 铪-178m3 | 68 |
| 镍-65m | 69 |
| 碲-106 | 70 |
| 钆-153m2 | 76.0 |
| 锘-255m2 | 77 |
| 铪-181m1 | 80 |
| 铪-180m6 | 90 |
| 铪-181m2 | ～100 |
| 砹-215 | 100 |
| 锰-64m | >100 |
| 锔-247m2 | 100.6 |
| 锘-255m1 | 109 |
| 镝-159m | 122 |
| 锔-248m | 146 |
| 砹-212m2 | 152 |
| 铯-126m2 | 171 |
| 氡-207m | 181 |
| 锘-254m2 | 184 |
| 砹-188[13] | 190 |
| 鿔-277 | 240 |
| 砹-216 | 300 |
| 铥-147m | 360 |
| 钕-134m | 410 |
| 钕-138m | 410 |
| 铪-156m | 480 |
| 砹-210m1 | 482 |
| 铯-112 | 500 |
| 氡-217 | 540 |
| 锘-253m3 | 552 |
| 钕-140m | 600 |
| 锝-101m | 636 |
| 鿫-294[14][15] | 700 |
| 锘-253m2 | 706 |
| 氡-194[16] | 780 |
| 镍-68m2 | 860 |
| 锘-252m2 | 921 |
| 核素 | 半衰期 10−3秒 |
|---|---|
| 砹-190[13] | 1.0 |
| 钫-218 | 1.0 |
| 氡-193[16] | 1.15 |
| 锘-258 | 1.23 |
| 铪-181m3 | 1.5 |
| 砹-191[17] | 1.7 |
| 铹-255m3 | 1.78 |
| 钷-142m | 2.0 |
| 𬭶-265 | 2 |
| 砹-191m | 2.1 |
| 氟-26m | 2.2 |
| 钫-197 | 2.3 |
| 氟-29 | 2.5 |
| 𫓧-284[18][19] | 2.5 |
| 硼-19 | 2.92 |
| 碲-107 | 3.1 |
| 钫-214m1 | 3.35 |
| 氖-31 | 3.4 |
| 鿏-266 | 3.4 |
| 氖-32 | 3.5 |
| 铝-41[20] | 3.5 |
| 氡-196[21] | 4.4 |
| 铍-14 | 4.53 |
| 氟-27 | 5.0 |
| 氡-195m[21] | 5 |
| 钫-214 | 5.0 |
| 锘-262 | ～5 |
| 硼-17 | 5.08 |
| 铥-150m2 | 5.2 |
| 铝-40[20] | 5.7 |
| 氡-195[21] | 6 |
| 碳-22 | 6.2 |
| 氖-30 | 7.22 |
| 铝-39 | 7.6 |
| 氟-26 | 8.2 |
| 氙-132m | 8.39 |
| 氧-13 | 8.58 |
| 锂-11 | 8.75 |
| 铝-38 | 9.0 |
| 𫟷-290 | 9 |
| 镍-50 | 9.1 |
| 钾-54 | 10 |
| 硼-15 | 10.18 |
| 氮-12 | 11.000 |
| 钙-56 | 11 |
| 铝-37 | 11.5 |
| 砹-192 | 11.5 |
| 硼-14 | 12.36 |
| 镍-49 | 13 |
| 氙-109 | 13 |
| 氮-23 | 13.9 |
| 锰-69 | 14 |
| 氖-29 | 14.7 |
| 钫-198 | 15 |
| 氩-31 | 15.1 |
| 碳-20 | 16 |
| 钫-199 | 16 |
| 𫟷-292 | 16 |
| 硼-13 | 17.16 |
| 氖-28 | 18.8 |
| 氡-197m | 19 |
| 氡-213 | 19.5 |
| 锰-70[22] | 19.9 |
| 钫-219 | 20 |
| 镆-286[23] | 20 |
| 硼-12 | 20.20 |
| 砹-193m1 | 21 |
| 铍-12 | 21.46 |
| 镝-157m2 | 21.6 |
| 钙-55 | 22 |
| 钫-218m | 22.0 |
| 鿬-293[24] | 22 |
| 氮-22 | 23 |
| 铪-156 | 23 |
| 钫-200 | 24 |
| 铹-251[25] | 24.4 |
| 钙-35 | 25.7 |
| 铝-34m | 26 |
| 𫟷-291 | 26 |
| 砹-193m2 | 27 |
| 锰-68 | 28 |
| 砹-193 | 28 |
| 钾-53 | 30 |
| 氖-27 | 30.9 |
| 钆-155m | 31.97 |
| 砹-217 | 32.3 |
| 铝-32 | 33.0 |
| 锔-244m1 | 34 |
| 氡-218 | 35 |
| 锰-46 | 37 |
| 铝-35 | 37.2 |
| 镍-52 | 38 |
| 镆-287[23] | 38 |
| 锘-249[26] | 38.3 |
| 铝-33 | 41.7 |
| 铹-251m[25] | 42 |
| 锰-67 | 45 |
| 镍-53 | 45 |
| 碳-19 | 46.2 |
| 鿬-294[27] | 51 |
| 锝-86 | 55 |
| 铝-34 | 56.3 |
| 锰-66 | 64.4 |
| 氡-197 | 65 |
| 氡-198 | 65 |
| 钫-201 | 67 |
| 𫟷-293 | 70 |
| 铥-146m | 72 |
| 氧-24 | 77.4 |
| 氟-25 | 80 |
| 氮-21 | 85 |
| 砹-192m | 88 |
| 锰-64 | 88.8 |
| 铝-36 | 90 |
| 钙-54 | 90 |
| 铝-22 | 91.1 |
| 碳-18 | 92 |
| 锰-62m | 92 |
| 锰-65 | 92 |
| 氧-23 | 97 |
| 氩-32 | 98 |
| 锰-47 | 100 |
| 锘-252m1 | 100 |
| 𫓧-285[28] | 100 |
| 氯-47 | 101 |
| 钙-36 | 101.2 |
| 𬭛-262 | 102 |
| 镍-54 | 104 |
| 氙-110 | 105 |
| 𫓧-286[29] | 105 |
| 氩-50 | 106 |
| 锘-260 | 106 |
| 砹-204m | 108 |
| 氖-17 | 109.2 |
| 钾-52 | 110 |
| 铪-157 | 115 |
| 砹-212m1 | 119 |
| 氦-8 | 119.5 |
| 碳-9 | 126.5 |
| 铝-24m | 130 |
| 氙-147 | 130 |
| 氮-20 | 136 |
| 氙-146 | 146 |
| 铯-148 | 146 |
| 砹-195m | 147 |
| 锝-114 | 150 |
| 镝-146m | 150 |
| 锰-48 | 158.1 |
| 钆-172[30] | 163 |
| 锝-113 | 170 |
| 氩-33 | 173 |
| 钾-35 | 178 |
| 锂-9 | 178.2 |
| 钷-139m | 180 |
| 钙-37 | 181.1 |
| 氙-145 | 188 |
| 氯-31 | 190 |
| 碳-17 | 193 |
| 镆-288[23] | 193 |
| 氖-26 | 197 |
| 镍-55 | 204.7 |
| 钷-166[30] | 228 |
| 氯-46 | 232 |
| 铯-147 | 235 |
| 氩-49 | 236 |
| 铥-146 | 240 |
| 镆-289[23] | 250 |
| 砹-196 | 253 |
| 铹-257m | 270 |
| 锰-63 | 275 |
| 钷-164[30] | 280 |
| 锰-50 | 283.29 |
| 砹-194 | 286 |
| 锝-111 | 290 |
| 锝-112 | 290 |
| 氙-134m1 | 290 |
| 钫-202 | 290 |
| 钷-165[30] | 297 |
| 氯-32 | 298 |
| 砹-212 | 314 |
| 氡-199m | 320 |
| 铯-146 | 321 |
| 砹-194m | 323 |
| 砹-195 | 328 |
| 氮-19 | 336 |
| 铥-166m | 340 |
| 钫-202m | 340 |
| 钾-36 | 341 |
| 铯-122m3 | 360 |
| 铹-252 | 360 |
| 𫓧-287[29] | 360 |
| 钷-163[30] | 362 |
| 钾-51 | 365 |
| 锰-49 | 382 |
| 氟-24 | 384 |
| 氙-144 | 388 |
| 砹-197 | 390 |
| 钆-171[30] | 392 |
| 氩-48 | 415 |
| 钙-38 | 443.70 |
| 砹-202m2 | 460 |
| 钙-53 | 461 |
| 钷-162[30] | 467 |
| 铝-23 | 470 |
| 镍-76 | 470 |
| 钾-50 | 472 |
| 镝-149m | 490 |
| 氙-143 | 511 |
| 氯-45[31] | 513 |
| 钫-203 | 550 |
| 氯-44 | 560 |
| 铯-114 | 570 |
| 铹-253 | 570 |
| 铥-147 | 580 |
| 铯-145 | 582 |
| 镍-75 | 600 |
| 钕-125 | 600 |
| 镝-139 | 600 |
| 氖-25 | 602 |
| 氮-18 | 619.2 |
| 氡-199 | 620 |
| 铝-31 | 644 |
| 铹-257 | 646 |
| 钫-200m | 650 |
| 镆-290 | 650 |
| 𫓧-288 | 653 |
| 锰-61 | 670 |
| 锰-62 | 671 |
| 钆-170[30] | 675 |
| 镍-74 | 680 |
| 铯-116 | 700 |
| 铥-148 | 700 |
| 铥-148m | 700 |
| 钫-206m2 | 700 |
| 氯-38m | 715 |
| 钷-161[30] | 724 |
| 氙-111 | 740 |
| 碳-16 | 750 |
| 钆-169 | 750 |
| 硼-8 | 771.9 |
| 锘-251[11] | 800 |
| 氦-6 | 806.92 |
| 锂-8 | 838.7 |
| 镍-73 | 840 |
| 氩-34 | 843.8 |
| 锝-109 | 860 |
| 钙-39 | 860.3 |
| 钷-160[30] | 874 |
| 铪-155 | 890 |
| 铯-125m | 900 |
| 镝-141 | 900 |
| 铥-149 | 900 |
| 钫-233 | 900 |
| 锝-110 | 920 |
| 钾-38m1 | 924.46 |
| 氡-200 | 960 |
| 铯-144 | 994 |
| 核素 | 半衰期 秒 | |
|---|---|---|
| 铯-144m | <1 | |
| 钷-128 | 1.0 | |
| 砹-198m | 1.0 | |
| 锘-251m[11] | 1.02 | |
| 铪-177m1 | 1.09 | |
| 钆-135 | 1.1 | |
| 锔-246m | 1.12 | |
| 氙-142 | 1.22 | |
| 氩-47 | 1.23 | |
| 钾-37 | 1.2365 | |
| 钾-49 | 1.26 | |
| 砹-218[32] | 1.27 | |
| 碲-138 | 1.4 | |
| 铯-115 | 1.4 | |
| 铥-153 | 1.48 | |
| 氯-34 | 1.5266 | |
| 镍-72 | 1.57 | |
| 钕-137m | 1.60 | |
| 铯-123m1 | 1.64 | |
| 钷-159[30] | 1.648 | |
| 氖-18 | 1.66420 | |
| 铯-142 | 1.689 | |
| 钫-204 | 1.7 | |
| 钫-204m2 | 1.7 | |
| 氙-141 | 1.73 | |
| 锰-60m | 1.77 | |
| 氩-35 | 1.7756 | |
| 铯-143 | 1.791 | |
| 钕-127 | 1.8 | |
| 铪-154 | 2 | |
| 砹-197m | 2.0 | |
| 铝-24 | 2.053 | |
| 碲-108 | 2.1 | |
| 𫓧-289 | 2.1 | |
| 锝-87 | 2.18 | |
| 钆-137 | 2.2 | |
| 铥-150m1 | 2.20 | |
| 氟-23 | 2.23 | |
| 氧-22 | 2.25 | |
| 镝-142 | 2.3 | |
| 锘-252 | 2.42 | |
| 碳-15 | 2.449 | |
| 铹-253m | 2.46 | |
| 碲-137 | 2.49 | |
| 铥-153m | 2.5 | |
| 氯-33 | 2.5038 | |
| 铹-255m1 | 2.54 | |
| 镍-71 | 2.56 | |
| 钷-130 | 2.6 | |
| 钫-204m1 | 2.6 | |
| 氙-112 | 2.7 | |
| 氙-113 | 2.74 | |
| 铪-158 | 2.84 | |
| 锘-256[33] | 2.91 | |
| 锰-58 | 3.0 | |
| 镝-143m | 3.0 | |
| 钆-168 | 3.03 | |
| 氯-43 | 3.13 | |
| 铥-154m | 3.30 | |
| 氧-21 | 3.42 | |
| 镍-69m1 | 3.5 | |
| 砹-200m2 | 3.5 | |
| 铝-30 | 3.62 | |
| 氡-201m | 3.8 | |
| 钫-205 | 3.80 | |
| 铯-116m | 3.85 | |
| 氡-219 | 3.96 | |
| 铪-178m1 | 4.0 | |
| 铹-258 | 4.1 | |
| 氟-21 | 4.158 | |
| 铥-151 | 4.17 | |
| 氮-17 | 4.173 | |
| 钆-167 | 4.2 | |
| 砹-198 | 4.2 | |
| 氟-22 | 4.23 | |
| 锰-59 | 4.59 | |
| 钙-52 | 4.6 | |
| 碲-109 | 4.6 | |
| 钆-138 | 4.7 | |
| 钷-158 | 4.8 | |
| 钆-139m | 4.8 | |
| 钆-166 | 4.8 | |
| 钕-129 | 4.9 | |
| 钫-232 | 5 | |
| 锝-108 | 5.17 | |
| 铥-152m1 | 5.2 | |
| 铪-159 | 5.2 | |
| 锝-102 | 5.28 | |
| 钕-156 | 5.49 | |
| 镝-143 | 5.6 | |
| 钆-139 | 5.7 | |
| 锝-88 | 5.8 | |
| 镍-70 | 6.0 | |
| 钷-132 | 6.2 | |
| 铹-259 | 6.2 | |
| 铯-124m | 6.3 | |
| 钷-131 | 6.3 | |
| 铝-26m | 6.3460 | |
| 锝-88m | 6.4 | |
| 铯-117m | 6.5 | |
| 铥-151m1 | 6.6 | |
| 氯-42 | 6.8 | |
| 钾-48 | 6.8 | |
| 砹-199 | 6.92 | |
| 氡-201 | 7.0 | |
| 氮-16 | 7.13 | |
| 铝-25 | 7.183 | |
| 铥-152 | 8.0 | |
| 铥-154 | 8.1 | |
| 氩-46 | 8.4 | |
| 铯-117 | 8.4 | |
| 锝-90 | 8.7 | |
| 钕-155 | 8.9 | |
| 镝-144 | 9.1 | |
| 钷-140 | 9.2 | |
| 镝-145 | 9.5 | |
| 氡-202 | 9.94 | |
| 钙-51 | 10.0 | |
| 氙-114 | 10.0 | |
| 钷-138 | 10 | |
| 钆-165 | 10.3 | |
| 钷-157 | 10.56 | |
| 氟-20 | 11.0062 | |
| 镍-69 | 11.5 | |
| 铹-254 | 12.0 | |
| 氡-229[34] | 12 | |
| 锝-89 | 12.8 | |
| 锝-89m | 12.9 | |
| 氧-20 | 13.51 | |
| 氙-140 | 13.6 | |
| 铪-160 | 13.6 | |
| 铍-11 | 13.76 | |
| 钙-50 | 13.9 | |
| 铯-118 | 14 | |
| 钆-141 | 14 | |
| 镝-145m | 14.1 | |
| 钫-207 | 14.8 | |
| 钷-133 | 15 | |
| 锝-100 | 15.8 | |
| 钆-140 | 15.8 | |
| 钫-206m1 | 15.9 | |
| 钫-206 | ～16 | |
| 铯-118m | 17 | |
| 氖-19 | 17.2569 | |
| 钾-47 | 17.50 | |
| 钫-231 | 17.6 | |
| 碲-136 | 17.63 | |
| 氙-115 | 18 | |
| 铪-161 | 18.2 | |
| 碲-110 | 18.6 | |
| 铪-179m1 | 18.67 | |
| 碲-135 | 19.0 | |
| 铯-136m | 19 | |
| 钫-230 | 19.1 | |
| 碲-111 | 19.3 | |
| 碳-10 | 19.3011 | |
| 铹-254m | 20.3 | |
| 氡-227 | 20.8 | |
| 镍-67 | 21 | |
| 钕-130 | 21 | |
| 铯-122 | 21.18 | |
| 锝-107 | 21.2 | |
| 氩-45 | 21.48 | |
| 铥-155 | 21.6 | |
| 钷-134 | 22 | |
| 铹-255 | 22 | |
| 锔-233 | 23 | |
| 铥-162m | 24.3 | |
| 钆-141m | 24.5 | |
| 锘-257[35] | 24.5 | |
| 铯-141 | 24.84 | |
| 钕-154 | 25.9 | |
| 氧-19 | 26.470 | |
| 钷-156 | 26.7 | |
| 氡-203m | 26.7 | |
| 铹-256 | 27 | |
| 𬭊-261 | 27 | |
| 钫-220 | 27.4 | |
| 镍-68 | 29 | |
| 铪-171m | 29.5 | |
| 𬭳-266 | 30 | |
| 铯-119m | 30.4 | |
| 铯-124 | 30.9 | |
| 钕-153 | 31.6 | |
| 钕-131 | 33 | |
| 镝-146 | 33.2 | |
| 𬭊-262 | 34 | |
| 钫-213[36] | 34.14 | |
| 锝-106 | 35.6 | |
| 氖-21 | 37.15 | |
| 钫-228 | 38 | |
| 氯-41 | 38.4 | |
| 钆-143 | 39 | |
| 镝-169 | 39 | |
| 铪-162 | 39.4 | |
| 氙-139 | 39.68 | |
| 钷-135m | 40 | |
| 镝-147 | 40 | |
| 铪-163 | 40.0 | |
| 钷-142 | 40.5 | |
| 钷-155 | 41.5 | |
| 铯-119m | 43.0 | |
| 砹-200 | 43.2 | |
| 氡-203 | 44.2 | |
| 钆-164 | 45 | |
| 铥-155m | 45 | |
| 钷-136m | 47 | |
| 砹-200m1 | 47 | |
| 铪-184m | 48 | |
| 钷-135 | 49 | |
| 钫-226 | 49 | |
| 锝-90m | 49.2 | |
| 砹-223 | 50 | |
| 钫-209 | 50.0 | |
| 钫-229 | 50.2 | |
| 锰-60 | 51 | |
| 锘-254 | 51.2 | |
| 锔-234 | 52 | |
| 砹-222 | 54 | |
| 锝-103 | 54.2 | |
| 镝-147m1 | 55 | |
| 氡-220 | 55.6 | |
| 砹-219 | 56 | |
| 氙-125m1 | 56.9 | |
| 铯-120m | 57 | |
| 氙-116 | 59 | |
| 钫-208 | 59.1 | |
| 分钟 | 秒 | |
| 氙-117 | 1.02 | 61 |
| 𬬻-261 | 1.02 | 61 |
| 铯-120 | 1.020 | 61.2 |
| 钕-141m | 1.033 | 62.0 |
| 铯-150 | 1.062 | 63.7 |
| 氟-17 | 1.07283 | 64.370 |
| 氡-228 | 1.08 | 65 |
| 锰-58m | 1.087 | 65.2 |
| 钆-163 | 1.13 | 68 |
| 氙-127m | 1.153 | 69.2 |
| 氡-204 | 1.17 | 70 |
| 钕-133 | 1.2 | 70 |
| 钕-133m1 | 1.2 | 70 |
| 钆-142 | 1.170 | 70.2 |
| 氧-14 | 1.17702 | 70.621 |
| 铥-160m1 | 1.242 | 74.5 |
| 镝-165m | 1.257 | 75.4 |
| 铪-165 | 1.27 | 76 |
| 氯-40 | 1.35 | 81 |
| 铥-156 | 1.397 | 83.8 |
| 钆-145m | 1.42 | 85 |
| 砹-201 | 1.42 | 85 |
| 锰-57 | 1.423 | 85.4 |
| 铥-177 | 1.5 | 90 |
| 钕-132 | 1.56 | 94 |
| 锘-253 | 1.57 | 94 |
| 铯-126 | 1.64 | 98 |
| 碲-113 | 1.7 | 100 |
| 钷-154 | 1.73 | 104 |
| 钾-46 | 1.75 | 105 |
| 锰-50m | 1.75 | 105 |
| 钷-136 | 1.78 | 107 |
| 钆-143m | 1.833 | 110.0 |
| 铪-164 | 1.85 | 111 |
| 铥-176 | 1.85 | 111 |
| 碲-112 | 2.0 | 120 |
| 铥-164 | 2.0 | 120 |
| 铯-121m | 2.03 | 122 |
| 氧-15 | 2.03777 | 122.266 |
| 铪-167 | 2.05 | 123 |
| 铝-28 | 2.245 | 134.7 |
| 砹-221 | 2.3 | 140 |
| 钷-137m | 2.4 | 140 |
| 钫-227 | 2.47 | 148 |
| 砹-224 | 2.5 | 150 |
| 铯-121 | 2.58 | 155 |
| 铪-186 | 2.6 | 160 |
| 钷-154m | 2.68 | 161 |
| 铹-260 | 2.7 | 160 |
| 氡-205 | 2.8 | 170 |
| 铯-138m | 2.91 | 175 |
| 砹-202m1 | 3.03 | 182 |
| 砹-202 | 3.07 | 184 |
| 钫-211 | 3.10 | 186 |
| 锝-91 | 3.14 | 188 |
| 钫-210 | 3.18 | 191 |
| 钷-138m | 3.24 | 194 |
| 铪-169 | 3.24 | 194 |
| 锝-91m | 3.3 | 200 |
| 镝-148 | 3.3 | 200 |
| 钫-224 | 3.33 | 200 |
| 氖-24 | 3.38 | 203 |
| 铯-130m | 3.46 | 208 |
| 铪-185 | 3.5 | 210 |
| 锘-255 | 3.52 | 211 |
| 铥-157 | 3.63 | 218 |
| 铯-128 | 3.640 | 218.4 |
| 钆-161 | 3.646 | 218.8 |
| 铯-122m2 | 3.70 | 222 |
| 砹-220 | 3.71 | 223 |
| 氙-118 | 3.8 | 230 |
| 氙-137 | 3.818 | 229.1 |
| 铥-158 | 3.98 | 239 |
| 钫-225 | 4.0 | 240 |
| 钷-152 | 4.12 | 247 |
| 钷-139 | 4.15 | 249 |
| 镝-149 | 4.20 | 252 |
| 锝-92 | 4.25 | 255 |
| 锝-102m | 4.35 | 261 |
| 钆-144 | 4.47 | 268 |
| 氡-225 | 4.66 | 280 |
| 钫-221 | 4.9 | 290 |
| 锔-235[37] | 5.0 | 300 |
| 铥-164m | 5.1 | 310 |
| 钷-153 | 5.25 | 315 |
| 氩-43 | 5.37 | 322 |
| 铥-174 | 5.4 | 320 |
| 钕-135m | 5.5 | 330 |
| 氡-206 | 5.67 | 340 |
| 碲-115 | 5.8 | 350 |
| 氙-119 | 5.8 | 350 |
| 铯-123 | 5.88 | 353 |
| 钷-150m | 5.95 | 357 |
| 镝-167 | 6.20 | 372 |
| 铝-29 | 6.56 | 394 |
| 碲-115m1 | 6.7 | 400 |
| 铪-166 | 6.77 | 406 |
| 锔-236 | 6.8 | 410 |
| 镝-150 | 7.17 | 430 |
| 砹-203 | 7.37 | 442 |
| 氡-226 | 7.4 | 440 |
| 钷-152m1 | 7.52 | 451 |
| 锝-105 | 7.6 | 460 |
| 钾-38 | 7.636 | 458.2 |
| 钆-162 | 8.4 | 500 |
| 钕-134 | 8.5 | 510 |
| 镝-168 | 8.7 | 520 |
| 钙-49 | 8.718 | 523.1 |
| 铥-159 | 9.13 | 548 |
| 砹-204 | 9.2 | 550 |
| 氡-207 | 9.25 | 555 |
| 铯-139 | 9.27 | 556 |
| 铥-160 | 9.4 | 560 |
| 氮-13 | 9.965 | 597.9 |
| 锔-237[38][37] | >11.0 | >660 |
| 钕-152 | 11.4 | 680 |
| 氩-44 | 11.87 | 712 |
| 钕-135 | 12.4 | 740 |
| 钕-151 | 12.44 | 746 |
| 碲-133 | 12.5 | 750 |
| 钷-152m2 | 13.8 | 830 |
| 氙-138 | 14.08 | 845 |
| 钫-222 | 14.2 | 850 |
| 锝-101 | 14.22 | 853 |
| 碲-114 | 15.2 | 910 |
| 铥-175 | 15.2 | 910 |
| 氙-135m | 15.29 | 917 |
| 核素 | 半衰期 | |
|---|---|---|
| 分钟 | 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 |
| 锘-259 | 58 | 3.5 |
| 小时 | 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[38] | 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[23] | 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 |
| 钔-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 |
| 铒-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 | |
| 镄-252 | 1.058 | 91.4 |
| 钷-151 | 1.183 | 102.2 |
| 铒-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 |
| 镄-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 |
| 锰-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 |
| 铥-167 | 9.25 | 799 |
| 钆-149 | 9.28 | 802 |
| 铯-131 | 9.689 | 837.1 |
| 钕-147 | 10.98 | 949 |
| 核素 | 半衰期 | |
|---|---|---|
| 天 | 106秒 | |
| 氙-131m | 11.934 | 1.0311 |
| 铯-136 | 13.16 | 1.137 |
| 钒-48 | 15.9735 | 1.38011 |
| 锎-253 | 17.81 | 1.539 |
| 碲-121 | 19.16 | 1.655 |
| 铪-179m2 | 25.05 | 2.164 |
| 锔-240 | 27 | 2.3 |
| 铬-51 | 27.7025 | 2.39350 |
| 锔-241 | 32.8 | 2.83 |
| 碲-129m | 33.6 | 2.90 |
| 氩-37 | 35.011 | 3.0250 |
| 氙-127 | 36.345 | 3.1402 |
| 钷-148m | 41.29 | 3.567 |
| 铪-181 | 42.39 | 3.662 |
| 钆-146 | 48.27 | 4.171 |
| 钔-258 | 51.5 | 4.45 |
| 铍-7 | 53.22 | 4.598 |
| 碲-125m | 57.40 | 4.959 |
| 锎-254 | 60.5 | 5.23 |
| 锝-95m | 61 | 5.3 |
| 铪-175 | 70 | 6.0 |
| 钴-56 | 77.27 | 6.676 |
| 钪-46 | 83.79 | 7.239 |
| 硫-35 | 87.32 | 7.544 |
| 锝-97m | 91.0 | 7.86 |
| 铥-168 | 93.1 | 8.04 |
| 镄-257 | 100.5 | 8.68 |
| 碲-127m | 109 | 9.4 |
| 碲-123m | 119.2 | 10.30 |
| 钆-151 | 124 | 10.7 |
| 铥-170 | 128.6 | 11.11 |
| 钋-210 | 138 | 11.9 |
| 镝-159 | 144.4 | 12.48 |
| 碲-121m | 154 | 13.3 |
| 钙-45 | 162.61 | 14.050 |
| 锔-242 | 162.8 | 14.07 |
| 钆-153 | 240.4 | 20.77 |
| 钷-143 | 265 | 22.9 |
| 钴-57 | 271.79 | 23.483 |
| 锰-54 | 312.03 | 26.959 |
| 钒-49 | 330 | 29 |
| 锎-248 | 333.5 | 28.81 |
| 钷-144 | 363 | 31.4 |
| 年 | 106秒 | |
| 钌-106 | 1.0228 | 32.28 |
| 镎-235 | 1.084 | 34.2 |
| 镉-109 | 1.267 | 40.0 |
| 铪-172 | 1.87 | 59 |
| 铥-171 | 1.92 | 61 |
| 铯-134 | 2.0652 | 65.17 |
| 钠-22 | 2.602 | 82.1 |
| 钷-147 | 2.6234 | 82.79 |
| 铑-101 | 3.3 | 100 |
| 钴-60 | 5.2714 | 166.35 |
| 钷-146 | 5.53 | 175 |
| 镅-243 | 7.37 | 233 |
| 氢-3 | 12.32 | 389 |
| 锎-250 | 13.08 | 413 |
| 铌-93m | 16.13 | 509 |
| 钷-145 | 17.7 | 560 |
| 锔-244 | 18.10 | 571 |
| 铌-94 | 20.3 | 640 |
| 锔-243 | 29.1 | 920 |
| 铯-137 | 30.1671 | 952.00 |
| 铪-178m2 | 31 | 980 |
| 核素 | 半衰期 | |
|---|---|---|
| 103年 | 1012秒 | |
| 镍-59 | 76 | 2.4 |
| 钙-41 | 99.4 | 3.14 |
| 镎-236 | 154 | 4.9 |
| 铀-233 | 159.2 | 5.02 |
| 锝-99 | 211.1 | 6.66 |
| 铀-234 | 245.5 | 7.75 |
| 氯-36 | 301.3 | 9.51 |
| 锔-248 | 348 | 11.0 |
| 铝-26 | 717 | 22.6 |
| 106年 | 1012秒 | |
| 铍-10 | 1.387 | 43.8 |
| 镝-154[40] | 1.40 | 44 |
| 锆-93 | 1.53 | 48 |
| 钆-150 | 1.79 | 56 |
| 铯-135 | 2.3 | 73 |
| 锰-53 | 3.7 | 120 |
| 锝-98 | 4.2 | 130 |
| 锝-97 | 4.21 | 133 |
| 钯-107 | 6.5 | 210 |
| 铪-182 | 8.90 | 281 |
| 锔-247 | 15.6 | 490 |
| 铀-236 | 23.42 | 739 |
| 核素 | 半衰期 | |
|---|---|---|
| 109年 | 1018秒 | |
| 镥-176 | 38.5 | 1.21 |
| 铼-187 | 41.2 | 1.30 |
| 铷-87 | 49.23 | 1.554 |
| 镧-138 | 102 | 3.2 |
| 钐-147 | 106 | 3.3 |
| 铂-190 | 483[41] | 15.2 |
| 核素 | 半衰期 | |
|---|---|---|
| 1024年 | 1030秒 | |
| 碲-128 | 2.2 | 69 |
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