Isotop kurium: Perbedaan antara revisi
Impor teks terkontrol dari Wikipedia bahasa Indonesia; revisi 22922825; atribusi sumber disertakan. |
Presentation V4: sitasi, referensi, Math, Wikimedia Commons, dan atribusi |
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| Baris 1: | Baris 1: | ||
'''[[Kurium]]''' ('''<sub>96</sub>Cm''') adalah sebuah [[Unsur kimia sintetis|unsur buatan]] dengan nomor atom 96. Karena ia merupakan unsur buatan, [[berat atom standar]]nya tidak dapat diberikan, dan ia tidak memiliki satu pun [[isotop stabil]]. [[Isotop]] pertama yang disintesis adalah <sup>242</sup>Cm pada tahun 1944, yang memiliki 146 [[neutron]]. | '''[[Kurium]]''' ('''<sub>96</sub>Cm''') adalah sebuah [[Unsur kimia sintetis|unsur buatan]] dengan nomor atom 96. Karena ia merupakan unsur buatan, [[berat atom standar]]nya tidak dapat diberikan, dan ia tidak memiliki satu pun [[isotop stabil]]. [[Isotop]] pertama yang disintesis adalah <sup>242</sup>Cm pada tahun 1944, yang memiliki 146 [[neutron]]. | ||
Ada 19 [[Radionuklida|radioisotop]] yang diketahui, mulai dari <sup>233</sup>Cm hingga <sup>251</sup>Cm. Ada juga sepuluh [[isomer nuklir]] yang diketahui. Isotop berumur paling panjang adalah <sup>247</sup>Cm, dengan [[waktu paruh]] 15,6 juta tahun – satu urutan besaran lebih lama daripada seluruh isotop setelah kurium yang diketahui, dan cukup lama untuk dipelajari sebagai [[Radionuklida punah|radionuklida yang mungkin punah]] yang mungkin dihasilkan oleh [[proses r]]. Isomer yang berumur paling panjang adalah <sup>246m</sup>Cm dengan waktu paruh 1,12 detik. | Ada 19 [[Radionuklida|radioisotop]] yang diketahui, mulai dari <sup>233</sup>Cm hingga <sup>251</sup>Cm. Ada juga sepuluh [[isomer nuklir]] yang diketahui. Isotop berumur paling panjang adalah <sup>247</sup>Cm, dengan [[waktu paruh]] 15,6 juta tahun – satu urutan besaran lebih lama daripada seluruh isotop setelah kurium yang diketahui, dan cukup lama untuk dipelajari sebagai [[Radionuklida punah|radionuklida yang mungkin punah]] yang mungkin dihasilkan oleh [[proses r]].<ref>Benoit Côté. ''129 I and 247 Cm in meteorites constrain the last astrophysical source of solar r-process elements''. ''Science''. 26 Februari 2021. Vol. 371 (6532). hlm. 945–948. doi:10.1126/science.aba1111.</ref><ref>A.M. Davis. ''Short-Lived Radionuclides and Early Solar System Chronology''. ''Treatise on Geochemistry''. 2014. hlm. 383. doi:10.1016/B978-0-08-095975-7.00113-3.</ref> Isomer yang berumur paling panjang adalah <sup>246m</sup>Cm dengan waktu paruh 1,12 detik. | ||
==Daftar isotop== | ==Daftar isotop== | ||
|- | |||
| rowspan=2|<sup>233</sup>Cm | | rowspan=2|<sup>233</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 14: | Baris 13: | ||
| <sup>233</sup>Am | | <sup>233</sup>Am | ||
| rowspan=2|3/2+# | | rowspan=2|3/2+# | ||
|- | |||
| [[Peluruhan alfa|α]] (20%) | | [[Peluruhan alfa|α]] (20%) | ||
| <sup>229</sup>Pu | | <sup>229</sup>Pu | ||
|- | |||
| rowspan=3|<sup>234</sup>Cm | | rowspan=3|<sup>234</sup>Cm | ||
| rowspan=3 style="text-align:right" | 96 | | rowspan=3 style="text-align:right" | 96 | ||
| Baris 26: | Baris 25: | ||
| <sup>234</sup>Am | | <sup>234</sup>Am | ||
| rowspan=3|0+ | | rowspan=3|0+ | ||
|- | |||
| α (27%) | | α (27%) | ||
| <sup>230</sup>Pu | | <sup>230</sup>Pu | ||
|- | |||
| SF (2%) | | SF (2%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| rowspan=2|<sup>235</sup>Cm | | rowspan=2|<sup>235</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 41: | Baris 40: | ||
| <sup>235</sup>Am | | <sup>235</sup>Am | ||
| rowspan=2|5/2+# | | rowspan=2|5/2+# | ||
|- | |||
| α | | α | ||
| <sup>231</sup>Pu | | <sup>231</sup>Pu | ||
|- | |||
| rowspan=2|<sup>236</sup>Cm | | rowspan=2|<sup>236</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 53: | Baris 52: | ||
| <sup>236</sup>Am | | <sup>236</sup>Am | ||
| rowspan=2|0+ | | rowspan=2|0+ | ||
|- | |||
| α (18%) | | α (18%) | ||
| <sup>232</sup>Pu | | <sup>232</sup>Pu | ||
|- | |||
| rowspan=2|<sup>237</sup>Cm | | rowspan=2|<sup>237</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 65: | Baris 64: | ||
| <sup>237</sup>Am | | <sup>237</sup>Am | ||
| rowspan=2|5/2+# | | rowspan=2|5/2+# | ||
|- | |||
| α | | α | ||
| <sup>233</sup>Pu | | <sup>233</sup>Pu | ||
|- | |||
| rowspan=2|<sup>238</sup>Cm | | rowspan=2|<sup>238</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 77: | Baris 76: | ||
| <sup>238</sup>Am | | <sup>238</sup>Am | ||
| rowspan=2|0+ | | rowspan=2|0+ | ||
|- | |||
| α (10%) | | α (10%) | ||
| <sup>234</sup>Pu | | <sup>234</sup>Pu | ||
|- | |||
| rowspan=2|<sup>239</sup>Cm | | rowspan=2|<sup>239</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 89: | Baris 88: | ||
| <sup>239</sup>Am | | <sup>239</sup>Am | ||
| rowspan=2|(7/2−) | | rowspan=2|(7/2−) | ||
|- | |||
| α (0,1%) | | α (0,1%) | ||
| <sup>235</sup>Pu | | <sup>235</sup>Pu | ||
|- | |||
| rowspan=3|<sup>240</sup>Cm | | rowspan=3|<sup>240</sup>Cm | ||
| rowspan=3 style="text-align:right" | 96 | | rowspan=3 style="text-align:right" | 96 | ||
| Baris 101: | Baris 100: | ||
| <sup>236</sup>Pu | | <sup>236</sup>Pu | ||
| rowspan=3|0+ | | rowspan=3|0+ | ||
|- | |||
| EC (0,5%) | | EC (0,5%) | ||
| <sup>240</sup>Am | | <sup>240</sup>Am | ||
|- | |||
| [[Pembelahan spontan|SF]] (3,9%) | | [[Pembelahan spontan|SF]] (3,9%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| rowspan=2|<sup>241</sup>Cm | | rowspan=2|<sup>241</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 116: | Baris 115: | ||
| <sup>241</sup>Am | | <sup>241</sup>Am | ||
| rowspan=2|1/2+ | | rowspan=2|1/2+ | ||
|- | |||
| α (1%) | | α (1%) | ||
| <sup>237</sup>Pu | | <sup>237</sup>Pu | ||
|- | |||
| rowspan=4|<sup>242</sup>Cm | | rowspan=4|<sup>242</sup>Cm<ref>Isotop yang paling umum</ref> | ||
| rowspan=4 style="text-align:right" | 96 | | rowspan=4 style="text-align:right" | 96 | ||
| rowspan=4 style="text-align:right" | 146 | | rowspan=4 style="text-align:right" | 146 | ||
| Baris 128: | Baris 127: | ||
| <sup>238</sup>Pu | | <sup>238</sup>Pu | ||
| rowspan=4|0+ | | rowspan=4|0+ | ||
|- | |||
| SF (6,33%) | | SF (6,33%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| [[Peluruhan gugus|CD]] (10<sup>−14</sup>%) | | [[Peluruhan gugus|CD]] (10<sup>−14</sup>%)<ref>Nuklida yang telah diketahui yang mengalami peluruhan gugus paling berat</ref> | ||
| '''<sup>208</sup>Pb'''<br><sup>34</sup>Si | | '''<sup>208</sup>Pb'''<br><sup>34</sup>Si | ||
|- | |||
| β<sup>+</sup>β<sup>+</sup> (langka) | | β<sup>+</sup>β<sup>+</sup> (langka) | ||
| <sup>242</sup>Pu | | <sup>242</sup>Pu | ||
|- | |||
| style="text-indent:1em" | <sup>242m</sup>Cm | | style="text-indent:1em" | <sup>242m</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 2800(100) keV | | colspan="3" style="text-indent:2em" | 2800(100) keV | ||
| 180(70) [[Nano-|n]]dtk | | 180(70) [[Nano-|n]]dtk | ||
| | | | ||
| | | | ||
| | | | ||
|- | |||
| rowspan=3|<sup>243</sup>Cm | | rowspan=3|<sup>243</sup>Cm | ||
| rowspan=3 style="text-align:right" | 96 | | rowspan=3 style="text-align:right" | 96 | ||
| Baris 153: | Baris 152: | ||
| <sup>239</sup>Pu | | <sup>239</sup>Pu | ||
| rowspan=3|5/2+ | | rowspan=3|5/2+ | ||
|- | |||
| EC (0,29%) | | EC (0,29%) | ||
| <sup>243</sup>Am | | <sup>243</sup>Am | ||
|- | |||
| SF (5,3%) | | SF (5,3%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| style="text-indent:1em" | <sup>243m</sup>Cm | | style="text-indent:1em" | <sup>243m</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 87,4(1) keV | | colspan="3" style="text-indent:2em" | 87,4(1) keV | ||
| Baris 166: | Baris 165: | ||
| <sup>243</sup>Cm | | <sup>243</sup>Cm | ||
| 1/2+ | | 1/2+ | ||
|- | |||
| rowspan=2|<sup>244</sup>Cm | | rowspan=2|<sup>244</sup>Cm<ref>Isotop yang paling umum</ref> | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| rowspan=2 style="text-align:right" | 148 | | rowspan=2 style="text-align:right" | 148 | ||
| Baris 175: | Baris 174: | ||
| <sup>240</sup>Pu | | <sup>240</sup>Pu | ||
| rowspan=2|0+ | | rowspan=2|0+ | ||
|- | |||
| SF (1,34%) | | SF (1,34%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| style="text-indent:1em" | <sup>244m1</sup>Cm | | style="text-indent:1em" | <sup>244m1</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 1040,188(12) keV | | colspan="3" style="text-indent:2em" | 1040,188(12) keV | ||
| Baris 185: | Baris 184: | ||
| <sup>244</sup>Cm | | <sup>244</sup>Cm | ||
| 6+ | | 6+ | ||
|- | |||
| style="text-indent:1em" | <sup>244m2</sup>Cm | | style="text-indent:1em" | <sup>244m2</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 1100(900)# keV | | colspan="3" style="text-indent:2em" | 1100(900)# keV | ||
| Baris 191: | Baris 190: | ||
| SF | | SF | ||
| (beberapa) | | (beberapa) | ||
| | | | ||
|- | |||
| rowspan=2|<sup>245</sup>Cm | | rowspan=2|<sup>245</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 201: | Baris 200: | ||
| <sup>241</sup>Pu | | <sup>241</sup>Pu | ||
| rowspan=2|7/2+ | | rowspan=2|7/2+ | ||
|- | |||
| SF (6,1%) | | SF (6,1%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| style="text-indent:1em" | <sup>245m</sup>Cm | | style="text-indent:1em" | <sup>245m</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 355,92(10) keV | | colspan="3" style="text-indent:2em" | 355,92(10) keV | ||
| Baris 211: | Baris 210: | ||
| <sup>245</sup>Cm | | <sup>245</sup>Cm | ||
| 1/2+ | | 1/2+ | ||
|- | |||
| rowspan=2|<sup>246</sup>Cm | | rowspan=2|<sup>246</sup>Cm | ||
| rowspan=2 style="text-align:right" | 96 | | rowspan=2 style="text-align:right" | 96 | ||
| Baris 220: | Baris 219: | ||
| <sup>242</sup>Pu | | <sup>242</sup>Pu | ||
| rowspan=2|0+ | | rowspan=2|0+ | ||
|- | |||
| SF (0,0261%) | | SF (0,0261%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| style="text-indent:1em" | <sup>246m</sup>Cm | | style="text-indent:1em" | <sup>246m</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 1179,66(13) keV | | colspan="3" style="text-indent:2em" | 1179,66(13) keV | ||
| Baris 230: | Baris 229: | ||
| <sup>246</sup>Cm | | <sup>246</sup>Cm | ||
| 8- | | 8- | ||
|- | |||
| <sup>247</sup>Cm | | <sup>247</sup>Cm | ||
| style="text-align:right" | 96 | | style="text-align:right" | 96 | ||
| Baris 239: | Baris 238: | ||
| <sup>243</sup>Pu | | <sup>243</sup>Pu | ||
| 9/2− | | 9/2− | ||
|- | |||
| style="text-indent:1em" | <sup>247m1</sup>Cm | | style="text-indent:1em" | <sup>247m1</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 227,38(19) keV | | colspan="3" style="text-indent:2em" | 227,38(19) keV | ||
| Baris 246: | Baris 245: | ||
| <sup>247</sup>Cm | | <sup>247</sup>Cm | ||
| 5/2+ | | 5/2+ | ||
|- | |||
| style="text-indent:1em" | <sup>247m2</sup>Cm | | style="text-indent:1em" | <sup>247m2</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 404,90(3) keV | | colspan="3" style="text-indent:2em" | 404,90(3) keV | ||
| Baris 253: | Baris 252: | ||
| <sup>247</sup>Cm | | <sup>247</sup>Cm | ||
| 1/2+ | | 1/2+ | ||
|- | |||
| rowspan=3|<sup>248</sup>Cm | | rowspan=3|<sup>248</sup>Cm | ||
| rowspan=3 style="text-align:right" | 96 | | rowspan=3 style="text-align:right" | 96 | ||
| Baris 262: | Baris 261: | ||
| <sup>244</sup>Pu | | <sup>244</sup>Pu | ||
| rowspan=3|0+ | | rowspan=3|0+ | ||
|- | |||
| SF (8,26%) | | SF (8,26%) | ||
| (beberapa) | | (beberapa) | ||
|- | |||
| β<sup>−</sup>β<sup>−</sup> (langka) | | β<sup>−</sup>β<sup>−</sup> (langka) | ||
| <sup>248</sup>Cf | | <sup>248</sup>Cf | ||
|- | |||
| style="text-indent:1em" | <sup>248m</sup>Cm | | style="text-indent:1em" | <sup>248m</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 1458,1(1) keV | | colspan="3" style="text-indent:2em" | 1458,1(1) keV | ||
| Baris 275: | Baris 274: | ||
| <sup>248</sup>Cm | | <sup>248</sup>Cm | ||
| (8-) | | (8-) | ||
|- | |||
| <sup>249</sup>Cm | | <sup>249</sup>Cm | ||
| style="text-align:right" | 96 | | style="text-align:right" | 96 | ||
| Baris 284: | Baris 283: | ||
| <sup>249</sup>Bk | | <sup>249</sup>Bk | ||
| 1/2(+) | | 1/2(+) | ||
|- | |||
| style="text-indent:1em" | <sup>249m</sup>Cm | | style="text-indent:1em" | <sup>249m</sup>Cm | ||
| colspan="3" style="text-indent:2em" | 48,758(17) keV | | colspan="3" style="text-indent:2em" | 48,758(17) keV | ||
| Baris 291: | Baris 290: | ||
| <sup>245</sup>Pu | | <sup>245</sup>Pu | ||
| (7/2+) | | (7/2+) | ||
|- | |||
| rowspan=3|<sup>250</sup>Cm | | rowspan=3|<sup>250</sup>Cm | ||
| rowspan=3 style="text-align:right" | 96 | | rowspan=3 style="text-align:right" | 96 | ||
| Baris 297: | Baris 296: | ||
| rowspan=3|250.078357(12) | | rowspan=3|250.078357(12) | ||
| rowspan=3|8300# thn | | rowspan=3|8300# thn | ||
| SF (74%) | | SF (74%)<ref>Nuklida dengan nomor atom paling rendah yang mengalami fisi spontan sebagai mode peluruhan utama</ref> | ||
| (beberapa) | | (beberapa) | ||
| rowspan=3|0+ | | rowspan=3|0+ | ||
|- | |||
| α (18%) | | α (18%) | ||
| <sup>246</sup>Pu | | <sup>246</sup>Pu | ||
|- | |||
| β<sup>−</sup> (8%) | | β<sup>−</sup> (8%) | ||
| <sup>250</sup>Bk | | <sup>250</sup>Bk | ||
|- | |||
| <sup>251</sup>Cm | | <sup>251</sup>Cm | ||
| style="text-align:right" | 96 | | style="text-align:right" | 96 | ||
| Baris 315: | Baris 314: | ||
| <sup>251</sup>Bk | | <sup>251</sup>Bk | ||
| (1/2+) | | (1/2+) | ||
==Aktinida vs produk fisi== | ==Aktinida vs produk fisi== | ||
== Referensi == | |||
==Referensi== | <references /> | ||
== Sumber dan atribusi == | == Sumber dan atribusi == | ||
Konten artikel ini diadaptasi dari [https://id.wikipedia.org/w/index.php?title=Isotop+kurium&oldid=22922825 Wikipedia bahasa Indonesia], revisi 22922825 (2023-02-11T11:29:33Z), yang tersedia berdasarkan lisensi Creative Commons Atribusi-BerbagiSerupa (CC BY-SA). Mohon gunakan konten ini secara bijak serta sesuai dengan ketentuan lisensi yang berlaku. | Konten artikel ini diadaptasi dari [https://id.wikipedia.org/w/index.php?title=Isotop+kurium&oldid=22922825 Wikipedia bahasa Indonesia], revisi 22922825 (2023-02-11T11:29:33Z), yang tersedia berdasarkan lisensi Creative Commons Atribusi-BerbagiSerupa (CC BY-SA). Mohon gunakan konten ini secara bijak serta sesuai dengan ketentuan lisensi yang berlaku. | ||
<!-- WIKI_UNISSULA_PRESENTATION_V4 --> | |||
Revisi terkini sejak 28 Agustus 2026 04.11
Kurium (96Cm) adalah sebuah unsur buatan dengan nomor atom 96. Karena ia merupakan unsur buatan, berat atom standarnya tidak dapat diberikan, dan ia tidak memiliki satu pun isotop stabil. Isotop pertama yang disintesis adalah 242Cm pada tahun 1944, yang memiliki 146 neutron.
Ada 19 radioisotop yang diketahui, mulai dari 233Cm hingga 251Cm. Ada juga sepuluh isomer nuklir yang diketahui. Isotop berumur paling panjang adalah 247Cm, dengan waktu paruh 15,6 juta tahun – satu urutan besaran lebih lama daripada seluruh isotop setelah kurium yang diketahui, dan cukup lama untuk dipelajari sebagai radionuklida yang mungkin punah yang mungkin dihasilkan oleh proses r.[1][2] Isomer yang berumur paling panjang adalah 246mCm dengan waktu paruh 1,12 detik.
Daftar isotop
|-
| rowspan=2|233Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 137
| rowspan=2|233,05077(8)
| rowspan=2|27(10) dtk
| β+ (80%)
| 233Am
| rowspan=2|3/2+#
|-
| α (20%)
| 229Pu
|-
| rowspan=3|234Cm
| rowspan=3 style="text-align:right" | 96
| rowspan=3 style="text-align:right" | 138
| rowspan=3|234,05016(2)
| rowspan=3|52(9) dtk
| β+ (71%)
| 234Am
| rowspan=3|0+
|-
| α (27%)
| 230Pu
|-
| SF (2%)
| (beberapa)
|-
| rowspan=2|235Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 139
| rowspan=2|235,05143(22)#
| rowspan=2|300(+250−100) dtk
| β+
| 235Am
| rowspan=2|5/2+#
|-
| α
| 231Pu
|-
| rowspan=2|236Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 140
| rowspan=2|236,05141(22)#
| rowspan=2|6,8(0,8) mnt
| β+ (82%)
| 236Am
| rowspan=2|0+
|-
| α (18%)
| 232Pu
|-
| rowspan=2|237Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 141
| rowspan=2|237,05290(22)#
| rowspan=2|20# mnt
| β+
| 237Am
| rowspan=2|5/2+#
|-
| α
| 233Pu
|-
| rowspan=2|238Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 142
| rowspan=2|238,05303(4)
| rowspan=2|2,4(1) jam
| EC (90%)
| 238Am
| rowspan=2|0+
|-
| α (10%)
| 234Pu
|-
| rowspan=2|239Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 143
| rowspan=2|239,05496(11)#
| rowspan=2|2,5(0,4) jam
| β+ (99,9%)
| 239Am
| rowspan=2|(7/2−)
|-
| α (0,1%)
| 235Pu
|-
| rowspan=3|240Cm
| rowspan=3 style="text-align:right" | 96
| rowspan=3 style="text-align:right" | 144
| rowspan=3|240,0555295(25)
| rowspan=3|27(1) hri
| α (99,5%)
| 236Pu
| rowspan=3|0+
|-
| EC (0,5%)
| 240Am
|-
| SF (3,9%)
| (beberapa)
|-
| rowspan=2|241Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 145
| rowspan=2|241,0576530(23)
| rowspan=2|32,8(2) hri
| EC (99%)
| 241Am
| rowspan=2|1/2+
|-
| α (1%)
| 237Pu
|-
| rowspan=4|242Cm[3]
| rowspan=4 style="text-align:right" | 96
| rowspan=4 style="text-align:right" | 146
| rowspan=4|242,0588358(20)
| rowspan=4|162,8(2) hri
| α
| 238Pu
| rowspan=4|0+
|-
| SF (6,33%)
| (beberapa)
|-
| CD (10−14%)[4]
| 208Pb
34Si
|-
| β+β+ (langka)
| 242Pu
|-
| style="text-indent:1em" | 242mCm
| colspan="3" style="text-indent:2em" | 2800(100) keV
| 180(70) ndtk
|
|
|
|-
| rowspan=3|243Cm
| rowspan=3 style="text-align:right" | 96
| rowspan=3 style="text-align:right" | 147
| rowspan=3|243,0613891(22)
| rowspan=3|29,1(1) thn
| α (99,71%)
| 239Pu
| rowspan=3|5/2+
|-
| EC (0,29%)
| 243Am
|-
| SF (5,3%)
| (beberapa)
|-
| style="text-indent:1em" | 243mCm
| colspan="3" style="text-indent:2em" | 87,4(1) keV
| 1,08(3) μdtk
| IT
| 243Cm
| 1/2+
|-
| rowspan=2|244Cm[5]
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 148
| rowspan=2|244,0627526(20)
| rowspan=2|18,10(2) thn
| α
| 240Pu
| rowspan=2|0+
|-
| SF (1,34%)
| (beberapa)
|-
| style="text-indent:1em" | 244m1Cm
| colspan="3" style="text-indent:2em" | 1040,188(12) keV
| 34(2) mdtk
| IT
| 244Cm
| 6+
|-
| style="text-indent:1em" | 244m2Cm
| colspan="3" style="text-indent:2em" | 1100(900)# keV
| >500 ndtk
| SF
| (beberapa)
|
|-
| rowspan=2|245Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 149
| rowspan=2|245,0654912(22)
| rowspan=2|8,5(1) thn
| α
| 241Pu
| rowspan=2|7/2+
|-
| SF (6,1%)
| (beberapa)
|-
| style="text-indent:1em" | 245mCm
| colspan="3" style="text-indent:2em" | 355,92(10) keV
| 290(20) ndtk
| IT
| 245Cm
| 1/2+
|-
| rowspan=2|246Cm
| rowspan=2 style="text-align:right" | 96
| rowspan=2 style="text-align:right" | 150
| rowspan=2|246,0672237(22)
| rowspan=2|4,76(4) thn
| α (99,97%)
| 242Pu
| rowspan=2|0+
|-
| SF (0,0261%)
| (beberapa)
|-
| style="text-indent:1em" | 246mCm
| colspan="3" style="text-indent:2em" | 1179,66(13) keV
| 1,12(0,24) dtk
| IT
| 246Cm
| 8-
|-
| 247Cm
| style="text-align:right" | 96
| style="text-align:right" | 151
| 247,070354(5)
| 1,56(5) thn
| α
| 243Pu
| 9/2−
|-
| style="text-indent:1em" | 247m1Cm
| colspan="3" style="text-indent:2em" | 227,38(19) keV
| 26,3(0,3) μdtk
| IT
| 247Cm
| 5/2+
|-
| style="text-indent:1em" | 247m2Cm
| colspan="3" style="text-indent:2em" | 404,90(3) keV
| 100,6(0,6) ndtk
| IT
| 247Cm
| 1/2+
|-
| rowspan=3|248Cm
| rowspan=3 style="text-align:right" | 96
| rowspan=3 style="text-align:right" | 152
| rowspan=3|248,072349(5)
| rowspan=3|3,48(6) thn
| α (91,74%)
| 244Pu
| rowspan=3|0+
|-
| SF (8,26%)
| (beberapa)
|-
| β−β− (langka)
| 248Cf
|-
| style="text-indent:1em" | 248mCm
| colspan="3" style="text-indent:2em" | 1458,1(1) keV
| 146(18) μdtk
| IT
| 248Cm
| (8-)
|-
| 249Cm
| style="text-align:right" | 96
| style="text-align:right" | 153
| 249,075953(5)
| 64,15(3) mnt
| β−
| 249Bk
| 1/2(+)
|-
| style="text-indent:1em" | 249mCm
| colspan="3" style="text-indent:2em" | 48,758(17) keV
| 23 μdtk
| α
| 245Pu
| (7/2+)
|-
| rowspan=3|250Cm
| rowspan=3 style="text-align:right" | 96
| rowspan=3 style="text-align:right" | 154
| rowspan=3|250.078357(12)
| rowspan=3|8300# thn
| SF (74%)[6]
| (beberapa)
| rowspan=3|0+
|-
| α (18%)
| 246Pu
|-
| β− (8%)
| 250Bk
|-
| 251Cm
| style="text-align:right" | 96
| style="text-align:right" | 155
| 251,082285(24)
| 16,8(2) mnt
| β−
| 251Bk
| (1/2+)
Aktinida vs produk fisi
Referensi
- ↑ Benoit Côté. 129 I and 247 Cm in meteorites constrain the last astrophysical source of solar r-process elements. Science. 26 Februari 2021. Vol. 371 (6532). hlm. 945–948. doi:10.1126/science.aba1111.
- ↑ A.M. Davis. Short-Lived Radionuclides and Early Solar System Chronology. Treatise on Geochemistry. 2014. hlm. 383. doi:10.1016/B978-0-08-095975-7.00113-3.
- ↑ Isotop yang paling umum
- ↑ Nuklida yang telah diketahui yang mengalami peluruhan gugus paling berat
- ↑ Isotop yang paling umum
- ↑ Nuklida dengan nomor atom paling rendah yang mengalami fisi spontan sebagai mode peluruhan utama
Sumber dan atribusi
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