錒的同位素

錒没有稳定同位素。它最稳定的同位素是半衰期21.772年的227Ac。

圖表
|-
| 203Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 114
|
|
|
| 199Fr
| (1/2+)
|
|-
|204Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 115
|
|
| α
| 200Fr
|
|
|-
|205Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 116
|
|
| rowspan=2|
| rowspan=2 style="text-align:right" | 89
| rowspan=2 style="text-align:right" | 136
| rowspan=2|225.023230(5)
| rowspan=2|10.0(1) d
|
| 221Fr
| rowspan=2|(3/2−)
| rowspan=2|
|-
| (6×10−10%)
|

|-
| rowspan=3|226Ac
| rowspan=3|
| rowspan=3 style="text-align:right" | 89
| rowspan=3 style="text-align:right" | 137
| rowspan=3|226.026098(4)
| rowspan=3|29.37(12) h
| (83%)
| 226Th
| rowspan=3|(1)(−#)
| rowspan=3|
|-
| (17%)
| 226Ra
|-
| (.006%)
| 222Fr
|-
| rowspan=2|227Ac
| rowspan=2|Actinium
| rowspan=2 style="text-align:right" | 89
| rowspan=2 style="text-align:right" | 138
| rowspan=2|227.0277521(26)
| rowspan=2|21.772(3) y
| (98.61%)
| 227Th
| rowspan=2|3/2−
| rowspan=2|Trace
|-
| (1.38%)
| 223Fr
|-
| 228Ac
| Mesothorium 2
| style="text-align:right" | 89
| style="text-align:right" | 139
| 228.0310211(27)
| 6.13(2) h
|
| 228Th
| 3+
| Trace
|-
| 229Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 140
| 229.03302(4)
| 62.7(5) min
|
| 229Th
| (3/2+)
|
|-
| 230Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 141
| 230.03629(32)
| 122(3) s
|
| 230Th
| (1+)
|
|-
| 231Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 142
| 231.03856(11)
| 7.5(1) min
|
| 231Th
| (1/2+)
|
|-
| 232Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 143
| 232.04203(11)
| 119(5) s
|
| 232Th
| (1+)
|
|-
| 233Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 144
| 233.04455(32)#
| 145(10) s
|
| 233Th
| (1/2+)
|
|-
| 234Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 145
| 234.04842(43)#
| 44(7) s
|
| 234Th
|
|
|-
| 235Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 146
| 235.05123(38)#
| 40# s
|
| 235Th
| 1/2+#
|
|-
| 236Ac
|
| style="text-align:right" | 89
| style="text-align:right" | 147
| 236.05530(54)#
| 2# min
|
| 236Th
|
|
|}

参考文獻

Isotope masses from [https://web.archive.org/web/20080923134436/http://www.nndc.bnl.gov/amdc/index.html Ame2003 Atomic Mass Evaluation] by G. Audi, A.H. Wapstra, C. Thibault, J. Blachot and O. Bersillon in Nuclear Physics A729 (2003).
Half-life, spin, and isomer data selected from these sources. Editing notes on this article's talk page.

** Audi, Bersillon, Blachot, Wapstra. [http://amdc.in2p3.fr/web/nubase_en.html The Nubase2003 evaluation of nuclear and decay properties] , Nuc. Phys. A 729, pp. 3-128 (2003).
** National Nuclear Data Center, Brookhaven National Laboratory. Information extracted from the [http://www.nndc.bnl.gov/nudat2/ NuDat 2.1 database] (retrieved Sept. 2005).
* David R. Lide (ed.), Norman E. Holden in CRC Handbook of Chemistry and Physics, 85th Edition*, online version. CRC Press. Boca Raton, Florida (2005). Section 11, Table of the Isotopes.

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