核素列表
圖表 > 非原生放射性核素

半衰期低於8千萬年的核素。
| no | 核素 | 能量 | 半衰期（秒） | 衰變方式 | 半衰期（年或日） |
| --- | --- | --- | --- | --- | --- |
| 289 | 92Nb | 7000901098000000000♠9.010980 | 7015109500000000000♠1.095×1015 | K, β− | 7007347000000000000♠3.470×107 y |
| 290 | 236U | 7000789147000000000♠7.891470 | 7014739100000000000♠7.391×1014 | α, SF | 7007234200000000000♠2.342×107 y |
| 291 | 205Pb | 7000818727900000000♠8.187279 | 7014545899999999999♠5.459×1014 | β+ | 7007173000000000000♠1.730×107 y |
| 292 | 129I | 7000875739699999999♠8.757397 | 7014495500000000000♠4.955×1014 | β− | 7007157000000000000♠1.570×107 y |
| 293 | 247Cm | 7000780600800000000♠7.806008 | 7014492300000000000♠4.923×1014 | α | 7007156000000000000♠1.560×107 y |
| 294 | 182Hf | 7000832439900000000♠8.324399 | 7014280900000000000♠2.809×1014 | β− | 7006890100000000000♠8.901×106 y |
| 295 | 107Pd | 7000889719700000000♠8.897197 | 7014205100000000000♠2.051×1014 | β− | 7006649900000000000♠6.499×106 y |
| 296 | 98Tc | 7000895324600000000♠8.953246 | 7014132500000000000♠1.325×1014 | β− | 7006419900000000000♠4.199×106 y |
| 297 | 53Mn | 7000910317500000000♠9.103175 | 7014118000000000000♠1.180×1014 | β+ | 7006373900000000000♠3.739×106 y |
| 298 | 210mBi | 7000814047300000000♠8.140473 | 7013959400000000000♠9.594×1013 | α | 7006257961500000000♠2.579615×106 y |
| 299 | 154Dy | 7000852845700000000♠8.528457 | 7013946700000000000♠9.467×1013 | α | 7006300000000000000♠3.000×106 y |
| 300 | 60Fe | 7000909486100000000♠9.094861 | 7013826800000000000♠8.268×1013 | β− | 7006262000000000000♠2.620×106 y |
| 301 | 97Tc | 7000897050300000000♠8.970503 | 7013820300000000000♠8.203×1013 | β+ | 7006260000000000000♠2.600×106 y |
| 302 | 135Cs | 7000872008200000000♠8.720082 | 7013725800000000000♠7.258×1013 | β− | 7006230000000000000♠2.300×106 y |
| 303 | 237Np | 7000788198900000000♠7.881989 | 7013676600000000000♠6.766×1013 | α, SF | 7006214400000000000♠2.144×106 y |
| 304 | 150Gd | 7000857645400000000♠8.576454 | 7013564900000000000♠5.649×1013 | α | 7006179000000000000♠1.790×106 y |
| 305 | 93Zr | 7000900806900000000♠9.008069 | 7013482800000000000♠4.828×1013 | β− | 7006153000000000000♠1.530×106 y |
| 306 | 10Be | 7000681065700000000♠6.810657 | 7013476500000000000♠4.765×1013 | β− | 7006151000000000000♠1.510×106 y |
| 307 | 26Al | 7000854095399999999♠8.540954 | 7013226300000000000♠2.263×1013 | β+ | 7005717100000000000♠7.171×105 y |
| 308 | 242Pu | 7000784521800000000♠7.845218 | 7013118300000000000♠1.183×1013 | α, SF | 7005374900000000000♠3.749×105 y |
| 309 | 208Bi | 7000816204900000000♠8.162049 | 7013116100000000000♠1.161×1013 | β+ | 7005367900000000000♠3.679×105 y |
| 310 | 248Cm | 7000779958600000000♠7.799586 | 7013109800000000000♠1.098×1013 | α, SF | 7005347900000000000♠3.479×105 y |
| 311 | 36Cl | 7000889138000000000♠8.891380 | 7012949900000000000♠9.499×1012 | β−, β+ | 7005301000000000000♠3.010×105 y |
| 312 | 79Se | 7000903231000000000♠9.032310 | 7012930900000000000♠9.309×1012 | β− | 7005295000000000000♠2.950×105 y |
| 313 | 234U | 7000790830800000000♠7.908308 | 7012774700000000000♠7.747×1012 | α, SF | 7005245500000000000♠2.455×105 y |
| 314 | 126Sn | 7000875402600000000♠8.754026 | 7012725800000000000♠7.258×1012 | β− | 7005223000000000000♠2.230×105 y |
| 315 | 81Kr | 7000903051299999999♠9.030513 | 7012722700000000000♠7.227×1012 | β+ | 7005229000000000000♠2.290×105 y |
| 316 | 99Tc | 7000895337900000000♠8.953379 | 7012666200000000000♠6.662×1012 | β− | 7005211100000000000♠2.111×105 y |
| 317 | 186mRe | 7000829595800000000♠8.295958 | 7012631200000000000♠6.312×1012 | I | 7005200000000000000♠2.000×105 y |
| 318 | 233U | 7000791287300000000♠7.912873 | 7012502400000000000♠5.024×1012 | α, SF | 7005159200000000000♠1.592×105 y |
| 319 | 236Np | 7000788751400000000♠7.887514 | 7012486000000000000♠4.860×1012 | β+, β−, α | 7005154000000000000♠1.540×105 y |
| 320 | 41Ca | 7000892834700000000♠8.928347 | 7012321900000000000♠3.219×1012 | β+ | 7005102000000000000♠1.020×105 y |
| 321 | 59Ni | 7000910786300000000♠9.107863 | 7012239800000000000♠2.398×1012 | β+ | 7004759900000000000♠7.599×104 y |
| 322 | 230Th | 7000793713600000000♠7.937136 | 7012237900000000000♠2.379×1012 | α, SF | 7004753900000000000♠7.539×104 y |
| 323 | 137La | 7000870710100000000♠8.707101 | 7012189300000000000♠1.893×1012 | β+ | 7004599900000000000♠5.999×104 y |
| 324 | 202Pb | 7000819971400000000♠8.199714 | 7012165700000000000♠1.657×1012 | β+, α | 7004525100000000000♠5.251×104 y |
| 325 | 231Pa | 7000792662700000000♠7.926627 | 7012103400000000000♠1.034×1012 | α, SF | 7004327700000000000♠3.277×104 y |
| 326 | 239Pu | 7000786802200000000♠7.868022 | 7011760900000000000♠7.609×1011 | α, SF | 7004241100000000000♠2.411×104 y |
| 327 | 94Nb | 7000899009900000000♠8.990099 | 7011640600000000000♠6.406×1011 | β− | 7004202999999999999♠2.030×104 y |
| 328 | 245Cm | 7000782232900000000♠7.822329 | 7011268200000000000♠2.682×1011 | α, SF | 8499 y |
| 329 | 250Cm | 7000777937100000000♠7.779371 | 7011261900000000000♠2.619×1011 | SF, α, β− | 8299 y |
| 330 | 243Am | 7000783603500000000♠7.836035 | 7011232600000000000♠2.326×1011 | α, SF | 7371 y |
| 331 | 229Th | 7000794212700000000♠7.942127 | 7011231599999999999♠2.316×1011 | α | 7339 y |
| 332 | 240Pu | 7000786246500000000♠7.862465 | 7011206999999999999♠2.070×1011 | α, SF | 6560 y |
| 333 | 14C | 7000785562000000000♠7.855620 | 7011179900000000000♠1.799×1011 | β− | 5701 y |
| 334 | 246Cm | 7000781678100000000♠7.816781 | 7011150200000000000♠1.502×1011 | α, SF | 4760 y |
| 335 | 163Ho | 7000847859100000000♠8.478591 | 7011144200000000000♠1.442×1011 | β+ | 4570 y |
| 336 | 93Mo | 7000900469300000000♠9.004693 | 7011126200000000000♠1.262×1011 | β+ | 3999 y |
| 337 | 226Ra | 7000796659700000000♠7.966597 | 7010504900000000000♠5.049×1010 | α | 1600 y |
| 338 | 247Bk | 7000780618200000000♠7.806182 | 7010435500000000000♠4.355×1010 | α | 1380 y |
| 339 | 166mHo | 7000845127300000000♠8.451273 | 7010378700000000000♠3.787×1010 | β− | 1200 y |
| 340 | 251Cf | 7000777596900000000♠7.775969 | 7010283400000000000♠2.834×1010 | α, SF | 898 y |
| 341 | 91Nb | 7000902332700000000♠9.023327 | 7010214600000000000♠2.146×1010 | β+ | 680 y |
| 342 | 194Hg | 7000823727100000000♠8.237271 | 7010140100000000000♠1.401×1010 | β+ | 444 y |
| 343 | 108mAg | 7000888143900000000♠8.881439 | 7010138199999999999♠1.382×1010 | β+, I | 437.9 y |
| 344 | 241Am | 7000785167600000000♠7.851676 | 7010136400000000000♠1.364×1010 | α, SF | 432.2 y |
| 345 | 249Cf | 7000779130500000000♠7.791305 | 7010110800000000000♠1.108×1010 | α, SF | 351.1 y |
| 346 | 39Ar | 7000892368600000000♠8.923686 | 7009848900000000000♠8.489×109 | β− | 269 y |
| 347 | 192mIr | 7000825187500000000♠8.251875 | 7009760500000000000♠7.605×109 | I | 241 y |
| 348 | 158Tb | 7000851105500000000♠8.511055 | 7009568000000000000♠5.680×109 | β+, β− | 180 y |
| 349 | 242mAm | 7000784191300000000♠7.841913 | 7009445000000000000♠4.450×109 | I, α, SF | 141 y |
| 350 | 32Si | 7000882385599999999♠8.823856 | 7009416600000000000♠4.166×109 | β− | 132 y |
| 351 | 209Po | 7000814963300000000♠8.149633 | 7009395100000000000♠3.951×109 | α, β+ | 125.2 y |
| 352 | 63Ni | 7000911121000000000♠9.111210 | 7009315900000000000♠3.159×109 | β- | 100.1 y |
| 353 | 151Sm | 7000856525100000000♠8.565251 | 7009284000000000000♠2.840×109 | β- | 90.0 y |
| 354 | 238Pu | 7000787735800000000♠7.877358 | 7009276800000000000♠2.768×109 | α, SF | 87.71 y |
| 355 | 157Tb | 7000852209600000000♠8.522096 | 7009224100000000000♠2.241×109 | β+ | 71.02 y |
| 356 | 148Gd | 7000858670600000000♠8.586706 | 7009223700000000000♠2.237×109 | α | 70.89 y |
| 357 | 232U | 7000792214300000000♠7.922143 | 7009217400000000000♠2.174×109 | α, SF | 68.89 y |
| 358 | 44Ti | 7000892470200000000♠8.924702 | 7009189300000000000♠1.893×109 | β+ | 59.99 y |
| 359 | 193Pt | 7000824996500000000♠8.249965 | 7009157800000000000♠1.578×109 | β+ | 50.0 y |
| 360 | 121mSn | 7000880849900000000♠8.808499 | 7009138500000000000♠1.385×109 | I, β- | 43.89 y |
| 361 | 150Eu | 7000856997400000000♠8.569974 | 7009116400000000000♠1.164×109 | β+ | 36.89 y |
| 362 | 207Bi | 7000816820899999999♠8.168209 | 7009103800000000000♠1.038×109 | β+ | 32.89 y |
| 363 | 42Ar | 7000889092300000000♠8.890923 | 7009103800000000000♠1.038×109 | β- | 32.89 y |
| 364 | 137Cs | 7000870304700000000♠8.703047 | 7008947700000000000♠9.477×108 | β- | 30.03 y |
| 365 | 243Cm | 7000783600400000000♠7.836004 | 7008918300000000000♠9.183×108 | α, β+, SF | 29.1 y |
| 366 | 90Sr | 7000902623900000000♠9.026239 | 7008911999999999999♠9.120×108 | β- | 28.9 y |
| 367 | 210Pb | 7000814146200000000♠8.141462 | 7008700600000000000♠7.006×108 | β-, α | 22.2 y |
| 368 | 227Ac | 7000795744700000000♠7.957447 | 7008687100000000000♠6.871×108 | β-, α | 21.77 y |
| 369 | 244Cm | 7000783176300000000♠7.831763 | 7008571200000000000♠5.712×108 | α, SF | 18.1 y |
| 370 | 145Pm | 7000863183800000000♠8.631838 | 7008558600000000000♠5.586×108 | β+, α | 17.7 y |
| 371 | 241Pu | 7000785159000000000♠7.851590 | 7008451000000000000♠4.510×108 | β-, α, SF | 14.29 y |
| 372 | 152Eu | 7000855089700000000♠8.550897 | 7008426199999999999♠4.262×108 | β+, β- | 13.51 y |
| 373 | 250Cf | 7000778664000000000♠7.786640 | 7008412800000000000♠4.128×108 | α, SF | 13.08 y |
| 374 | 3H | 7000308799400000000♠3.087994 | 7008388800000000000♠3.888×108 | β- | 12.32 y |
| 375 | 85Kr | 7000902991900000000♠9.029919 | 7008338400000000000♠3.384×108 | β- | 10.72 y |
| 376 | 133Ba | 7000872962400000000♠8.729624 | 7008331900000000000♠3.319×108 | β+ | 10.52 y |
| 377 | 248Bk | 7000779681100000000♠7.796811 | > 7008284000000000000♠2.840×108 | α | 9.00 y |
| 378 | 154Eu | 7000853720000000000♠8.537200 | 7008271100000000000♠2.711×108 | β-, β+ | 8.591 y |
| 379 | 194Os | 7000823850800000000♠8.238508 | 7008189300000000000♠1.893×108 | β- | 5.999 y |
| 380 | 228Ra | 7000794439000000000♠7.944390 | 7008181500000000000♠1.815×108 | β- | 5.752 y |
| 381 | 146Pm | 7000861557400000000♠8.615574 | 7008174500000000000♠1.745×108 | β+, β- | 5.53 y |
| 382 | 60Co | 7000909881100000000♠9.098811 | 7008166300000000000♠1.663×108 | β- | 5.27 y |
| 383 | 155Eu | 7000853471100000000♠8.534711 | 7008150000000000000♠1.500×108 | β- | 4.753 y |
| 384 | 204Tl | 7000819067100000000♠8.190671 | 7008119300000000000♠1.193×108 | β-, β+ | 3.781 y |
| 385 | 174Lu | 7000839072600000000♠8.390726 | 7008104500000000000♠1.045×108 | β+ | 3.312 y |
| 386 | 101Rh | 7000893675300000000♠8.936753 | 7008104099999999999♠1.041×108 | β+ | 3.299 y |
| 387 | 102mRh | 7000892068000000000♠8.920680 | 7007915199999999999♠9.152×107 | β+, I | 2.9 y |
| 388 | 208Po | 7000815531500000000♠8.155315 | 7007914500000000000♠9.145×107 | α, β+ | 2.898 y |
| 389 | 236Pu | 7000788953600000000♠7.889536 | 7007901900000000000♠9.019×107 | α, SF | 2.858 y |
| 390 | 125Sb | 7000877736700000000♠8.777367 | 7007870500000000000♠8.705×107 | β- | 2.759 y |
| 391 | 55Fe | 7000911640700000000♠9.116407 | 7007863700000000000♠8.637×107 | β+ | 2.737 y |
| 392 | 252Cf | 7000776960500000000♠7.769605 | 7007834700000000000♠8.347×107 | α, SF | 2.645 y |
| 393 | 147Pm | 7000860906800000000♠8.609068 | 7007827900000000000♠8.279×107 | β- | 2.624 y |
| 394 | 22Na | 7000830689100000000♠8.306891 | 7007821299999999999♠8.213×107 | β+ | 2.603 y |
| 395 | 134Cs | 7000871976800000000♠8.719768 | 7007651700000000000♠6.517×107 | β-, β+ | 2.065 y |
| 396 | 171Tm | 7000841762000000000♠8.417620 | 7007605900000000000♠6.059×107 | β- | 1.92 y |
| 397 | 228Th | 7000795390600000000♠7.953906 | 7007603300000000000♠6.033×107 | α | 1.912 y |
| 398 | 172Hf | 7000839925200000000♠8.399252 | 7007590100000000000♠5.901×107 | β+ | 1.87 y |
| 399 | 179Ta | 7000835270300000000♠8.352703 | 7007574300000000000♠5.743×107 | β+ | 1.82 y |
| 400 | 173Lu | 7000840014700000000♠8.400147 | 7007432300000000000♠4.323×107 | β+ | 1.37 y |
| 401 | 252Es | 7000776462100000000♠7.764621 | 7007407500000000000♠4.075×107 | α, β+, β- | 1.291 y |
| 402 | 109Cd | 7000888332700000000♠8.883327 | 7007398600000000000♠3.986×107 | β+ | 1.263 y |
| 403 | 235Np | 7000789666900000000♠7.896669 | 7007342200000000000♠3.422×107 | β+, α | 1.084 y |
| 404 | 106Ru | 7000888568600000000♠8.885686 | 7007322800000000000♠3.228×107 | β- | 1.023 y |
| 405 | 144Pm | 7000863675100000000♠8.636751 | 7007313600000000000♠3.136×107 | β+ | 363 d |
| 406 | 145Sm | 7000862759000000000♠8.627590 | 7007293800000000000♠2.938×107 | β+ | 340 d |
| 407 | 248Cf | 7000780019800000000♠7.800198 | 7007288099999999999♠2.881×107 | α, SF | 333.4 d |
| 408 | 249Bk | 7000779080500000000♠7.790805 | 7007285100000000000♠2.851×107 | β−, α, SF | 330 d |
| 409 | 49V | 7000905003999999999♠9.050040 | 7007284300000000000♠2.843×107 | β+ | 329.1 d |
| 410 | 54Mn | 7000910013099999999♠9.100131 | 7007269700000000000♠2.697×107 | β+, β− | 312.2 d |
| 411 | 144Ce | 7000862991800000000♠8.629918 | 7007246200000000000♠2.462×107 | β− | 285 d |
| 412 | 254Es | 7000774852400000000♠7.748524 | 7007238200000000000♠2.382×107 | α, β−, SF, β+ | 275.7 d |
| 413 | 57Co | 7000911245400000000♠9.112454 | 7007234800000000000♠2.348×107 | β+ | 271.8 d |
| 414 | 68Ge | 7000905632700000000♠9.056327 | 7007234100000000000♠2.341×107 | β+ | 271 d |
| 415 | 143Pm | 7000865150900000000♠8.651509 | 7007229000000000000♠2.290×107 | β+ | 265 d |
| 416 | 110mAg | 7000886535499999999♠8.865355 | 7007215800000000000♠2.158×107 | β−, I | 249.8 d |
| 417 | 65Zn | 7000908535200000000♠9.085352 | 7007210500000000000♠2.105×107 | β+ | 243.6 d |
| 418 | 153Gd | 7000854773100000000♠8.547731 | 7007207700000000000♠2.077×107 | β+ | 240.4 d |
| 419 | 195Au | 7000823835300000000♠8.238353 | 7007160800000000000♠1.608×107 | β+ | 186.1 d |
| 420 | 194mIr | 7000823802500000000♠8.238025 | 7007147700000000000♠1.477×107 | β− | 170.9 d |
| 421 | 184mRe | 7000831067000000000♠8.310670 | 7007146000000000000♠1.460×107 | I, β+ | 169 d |
| 422 | 242Cm | 7000784486000000000♠7.844860 | 7007140700000000000♠1.407×107 | α, SF | 162.8 d |
| 423 | 45Ca | 7000897826100000000♠8.978261 | 7007140500000000000♠1.405×107 | β− | 162.6 d |
| 424 | 177mLu | 7000836182900000000♠8.361829 | 7007138599999999999♠1.386×107 | β−, I | 160.4 d |
| 425 | 121mTe | 7000880074900000000♠8.800749 | 7007133100000000000♠1.331×107 | I, β+ | 154.1 d |
| 426 | 159Dy | 7000850637800000000♠8.506378 | 7007124800000000000♠1.248×107 | β+ | 144.4 d |
| 427 | 210Po | 7000814729500000000♠8.147295 | 7007119600000000000♠1.196×107 | α | 138.4 d |
| 428 | 139Ce | 7000869688100000000♠8.696881 | 7007118900000000000♠1.189×107 | β+ | 137.6 d |
| 429 | 123Sn | 7000878531100000000♠8.785311 | 7007111600000000000♠1.116×107 | β− | 129.2 d |
| 430 | 170Tm | 7000842309599999999♠8.423096 | 7007111100000000000♠1.111×107 | β−, β+ | 128.6 d |
| 431 | 151Gd | 7000856268500000000♠8.562685 | 7007107100000000000♠1.071×107 | β+, α | 124 d |
| 432 | 181W | 7000833792399999999♠8.337924 | 7007104700000000000♠1.047×107 | β+ | 121.2 d |
| 433 | 75Se | 7000903358100000000♠9.033581 | 7007103500000000000♠1.035×107 | β+ | 119.8 d |
| 434 | 113Sn | 7000885303500000000♠8.853035 | 7006994400000000000♠9.944×106 | β+ | 115.1 d |
| 435 | 182Ta | 7000832645600000000♠8.326456 | 7006988700000000000♠9.887×106 | β− | 114.4 d |
| 436 | 127mTe | 7000876575899999999♠8.765759 | 7006941800000000000♠9.418×106 | I | 109 d |
| 437 | 88Y | 7000902927200000000♠9.029272 | 7006921200000000000♠9.212×106 | β+ | 106.6 d |
| 438 | 257Fm | 7000772661900000000♠7.726619 | 7006868300000000000♠8.683×106 | α, SF | 100.5 d |
| 439 | 185Os | 7000830273000000000♠8.302730 | 7006808700000000000♠8.087×106 | β+ | 93.6 d |
| 440 | 168Tm | 7000843631600000000♠8.436316 | 7006804400000000000♠8.044×106 | β+, β− | 93.1 d |
| 441 | 149Eu | 7000858439500000000♠8.584395 | 7006804400000000000♠8.044×106 | β+ | 93.1 d |
| 442 | 35S | 7000889551000000000♠8.895510 | 7006756100000000000♠7.561×106 | β− | 87.51 d |
| 443 | 83Rb | 7000902403799999999♠9.024038 | 7006744800000000000♠7.448×106 | β+ | 86.2 d |
| 444 | 46Sc | 7000897909100000000♠8.979091 | 7006723900000000000♠7.239×106 | β− | 83.78 d |
| 445 | 88Zr | 7000902158900000000♠9.021589 | 7006720600000000000♠7.206×106 | β+ | 83.4 d |
| 446 | 73As | 7000904334100000000♠9.043341 | 7006693800000000000♠6.938×106 | β+ | 80.3 d |
| 447 | 56Co | 7000907203100000000♠9.072031 | 7006667300000000000♠6.673×106 | β+ | 77.23 d |
| 448 | 185W | 7000830586600000000♠8.305866 | 7006648900000000000♠6.489×106 | β− | 75.1 d |
| 449 | 160Tb | 7000849534600000000♠8.495346 | 7006624700000000000♠6.247×106 | β− | 72.3 d |
| 450 | 58Co | 7000910315300000000♠9.103153 | 7006612200000000000♠6.122×106 | β+ | 70.86 d |
| 451 | 183Re | 7000832166100000000♠8.321661 | 7006604800000000000♠6.048×106 | β+ | 70 d |
| 452 | 175Hf | 7000838266499999999♠8.382665 | 7006604800000000000♠6.048×106 | β+ | 70 d |
| 453 | 188W | 7000827700300000000♠8.277003 | 7006602900000000000♠6.029×106 | β− | 69.78 d |
| 454 | 85Sr | 7000902548000000000♠9.025480 | 7006560200000000000♠5.602×106 | β+ | 64.84 d |
| 455 | 95Zr | 7000897298900000000♠8.972989 | 7006553200000000000♠5.532×106 | β− | 64.03 d |
| 456 | 95mTc | 7000897635900000000♠8.976359 | 7006527000000000000♠5.270×106 | β+, I | 61 d |
| 457 | 254Cf | 7000775108700000000♠7.751087 | 7006522700000000000♠5.227×106 | SF, α | 60.5 d |
| 458 | 124Sb | 7000877794300000000♠8.777943 | 7006519400000000000♠5.194×106 | β− | 60.12 d |