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|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" | 200(200)# keV
| 600(100) ns
|
|
|
|-
| 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
| 
| 244Am
| 6+#
|-
| style="text-indent:1em" | 248mBk
| colspan="3" style="text-indent:2em" | 30(70)# keV
| 23.7(2) h
|
|
| 1(−)
|-
| rowspan=3|249Bk最容易制备的同位素
| 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 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. 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 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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