锫的同位素

锫有20种同位素和6种同核异构体，全部都有放射性，其中最稳定的是半衰期1380年的247Bk。

圖表
|-
| rowspan=2|233Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 136
| rowspan=2|233.05665(25)#
| rowspan=2|
| (82%)
| 229Am
| rowspan=2|3/2−#
|-
| ? (18%)
| 233Cm
|-
| rowspan=2|234Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 137
| rowspan=2|234.05732(16)#
| rowspan=2|
| (>80%)
| 230Am
| rowspan=2|3−#
|-
| (234Cm
|-
| rowspan=2|235Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 138
| rowspan=2|235.05665(43)#
| rowspan=2|1# min
|
| 231Am
| rowspan=2|3/2−#
|-
|
| 235Cm
|-
| rowspan=2|236Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 139
| rowspan=2|236.05733(43)#
| rowspan=2|
| （96%）
| 236Cm
| rowspan=2|4+#
|-
| , （4%）
| (various)
|-
| rowspan=3|238Bk
| rowspan=3 style="text-align:right" | 97
| rowspan=3 style="text-align:right" | 141
| rowspan=3|238.05828(31)#
| rowspan=3|2.40(8) min
|
| 234Am
| rowspan=3|
|-
| , SF (.048%)
| (various)
|-
| （不常見）
| 238Cm
|-
| rowspan=2|239Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 142
| rowspan=2|239.05828(25)#
| rowspan=2|3# min
|
| 235Am
| rowspan=2|7/2+#
|-
|
| 239Cm
|-
| rowspan=3|240Bk
| rowspan=3 style="text-align:right" | 97
| rowspan=3 style="text-align:right" | 143
| rowspan=3|240.05976(16)#
| rowspan=3|4.8(8) min
| (90%)
| 240Cm
| rowspan=3|
|-
| (10%)
| 236Am
|-
| , SF (.002%)
| (various)
|-
| rowspan=2|241Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 144
| rowspan=2|241.06023(22)#
| rowspan=2|4.6(4) min
|
| 237Am
| rowspan=2|(7/2+)
|-
| （不常見）
| 241Cm
|-
| rowspan=2|242Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 145
| rowspan=2|242.06198(22)#
| rowspan=2|7.0(13) min
| (99.99%)
| 242Cm
| rowspan=2|2−#
|-
| , SF (3×10−4%)
| (various)
|-
| style="text-indent:1em" | 242mBk
| colspan="3" style="text-indent:2em" | 2000(200)# keV
|
|
| (various)
|
|-
| rowspan=2|243Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 146
| rowspan=2|243.063008(5)
| rowspan=2|4.5(2) h
| (99.85%)
| 243Cm
| rowspan=2|(3/2−)
|-
| (.15%)
| 239Am
|-
| rowspan=2|244Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 147
| rowspan=2|244.065181(16)
| rowspan=2|4.35(15) h
| (99.99%)
| 244Cm
| rowspan=2|(4−)#
|-
| (.006%)
| 240Am
|-
| rowspan=2|245Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 148
| rowspan=2|245.0663616(25)
| rowspan=2|4.94(3) d
| (99.88%)
| 245Cm
| rowspan=2|3/2−
|-
| (.12%)
| 241Am
|-
| rowspan=2|246Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 149
| rowspan=2|246.06867(6)
| rowspan=2|1.80(2) d
| (99.8%)
| 246Cm
| rowspan=2|2(−)
|-
| (.2%)
| 242Am
|-
| rowspan=2|247Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 150
| rowspan=2|247.070307(6)
| rowspan=2|1.38(25)×103 y
|
| 243Am
| rowspan=2|(3/2−)
|-
| SF （不常見）
| (various)
|-
| 248Bk
| style="text-align:right" | 97
| style="text-align:right" | 151
| 248.07309(8)#
| >300 y
| rowspan=2 colspan="3" style="text-indent:2em" | −20(50) keV
| rowspan=2| 23.7(2) h
| β− (70%)
| 248Cf
| rowspan=2|1(−)
|-
| EC (30%)
| 248Cm
|-
| rowspan=3|249Bk
| rowspan=3 style="text-align:right" | 97
| rowspan=3 style="text-align:right" | 152
| rowspan=3|249.0749867(28)
| rowspan=3|330(4) d
|
| 249Cf
| rowspan=3|7/2+
|-
| (.00145%)
| 245Am
|-
| SF (4.7×10−8%)
| (various)
|-
| style="text-indent:1em" | 249mBk
| colspan="3" style="text-indent:2em" | 8.80(10) keV
| 300 µs
|
|
| (3/2−)
|-
| 250Bk
| style="text-align:right" | 97
| style="text-align:right" | 153
| 250.078317(4)
| 3.212(5) h
|
| 250Cf
| 2−
|-
| style="text-indent:1em" | 250m1Bk
| colspan="3" style="text-indent:2em" | 35.59(5) keV
| 29(1) µs
|
|
| (4+)
|-
| style="text-indent:1em" | 250m2Bk
| colspan="3" style="text-indent:2em" | 84.1(21) keV
| 213(8) µs
|
|
| (7+)
|-
| rowspan=2|251Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 154
| rowspan=2|251.080760(12)
| rowspan=2|55.6(11) min
|
| 251Cf
| rowspan=2|(3/2−)#
|-
| (10−5%)
| 247Am
|-
| style="text-indent:1em" | 251mBk
| colspan="3" style="text-indent:2em" | 35.5(13) keV
| 58(4) µs
|
|
| (7/2+)#
|-
| rowspan=2|252Bk
| rowspan=2 style="text-align:right" | 97
| rowspan=2 style="text-align:right" | 155
| rowspan=2|252.08431(22)#
| rowspan=2|1.8(5) min
|
| 252Cf
| rowspan=2|
|-
|
| 248Am
|-
| 253Bk
| style="text-align:right" | 97
| style="text-align:right" | 156
| 253.08688(39)#
| 10# min
|
| 253Cf
|
|}

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.

** 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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