鐨的同位素

鐨的同位素

圖表

|-
| rowspan=2|241Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 141
| rowspan=2|241.07421(32)#
| rowspan=2|730(60) µs
| SF(>78%)
| (various)
| rowspan=2|5/2#+
|-
|  (<14%)
| 237Cf
|-
| 242Fm
| style="text-align:right" | 100
| style="text-align:right" | 142
| 242.07343(43)#
| <4 μs
| 
| (various)
| 0+
|-
| rowspan=3|243Fm
| rowspan=3 style="text-align:right" | 100
| rowspan=3 style="text-align:right" | 143
| rowspan=3|243.07447(23)#
| rowspan=3|231(9) ms
|  (91%)
| 239Cf
| rowspan=3|7/2−#
|-
| SF (9%)
| (various)
|-
|  （不常見）
| 243Es
|-
| rowspan=2|244Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 144
| rowspan=2|244.07404(22)#
| rowspan=2|3.12(8) ms
| SF (99%)
| (various)
| rowspan=2|0+
|-
|  (1%)
| 240Cf
|-
| rowspan=3|245Fm
| rowspan=3 style="text-align:right" | 100
| rowspan=3 style="text-align:right" | 145
| rowspan=3|245.07535(21)#
| rowspan=3|4.2(13) s
|  (95.7%)
| 241Cf
| rowspan=3|1/2+#
|-
|  (4.2%)
| 245Es
|-
| SF (.13%)
| (various)
|-
| rowspan=4|246Fm
| rowspan=4 style="text-align:right" | 100
| rowspan=4 style="text-align:right" | 146
| rowspan=4|246.075350(17)
| rowspan=4|1.54(4) s
|  (85%)
| 242Cf
| rowspan=4|0+
|-
|  (10%)
| 246Es
|-
| , SF (10%)
| (various)
|-
| SF (4.5%)
| (various)
|-
| rowspan=2|247Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 147
| rowspan=2|247.07695(12)#
| rowspan=2|31(1) s
|  (>50%)
| 243Cf
| rowspan=2|(7/2+)
|-
|  (<50%)
| 247Es
|-
| rowspan=3|248Fm
| rowspan=3 style="text-align:right" | 100
| rowspan=3 style="text-align:right" | 148
| rowspan=3|248.077186(9)
| rowspan=3|35.1(8) s
|  (93%)
| 244Cf
| rowspan=3|0+
|-
|  (7%)
| 248Es
|-
| SF (.10%)
| (various)
|-
| rowspan=2|249Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 149
| rowspan=2|249.078928(7)
| rowspan=2|1.6(1) min
|  (85%)
| 249Es
| rowspan=2|(7/2+)#
|-
|  (15%)
| 245Cf
|-
| rowspan=3|250Fm
| rowspan=3 style="text-align:right" | 100
| rowspan=3 style="text-align:right" | 150
| rowspan=3|250.079521(9)
| rowspan=3|30.4(15) min
|  (90%)
| 246Cf
| rowspan=3|0+
|-
|  (10%)
| 250Es
|-
| SF (6.9×10−3%)
| (various)
|-
| style="text-indent:1em" | 250mFm
| colspan="3" style="text-indent:2em" | 1199.2(10) keV
| 1.92(5) s
| IT
| 250Fm
| (8−)
|-
| rowspan=2|251Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 151
| rowspan=2|251.081540(16)
| rowspan=2|5.30(8) h
|  (98.2%)
| 251Es
| rowspan=2|(9/2−)
|-
|  (1.8%)
| 247Cf
|-
| style="text-indent:1em" | 251mFm
| colspan="3" style="text-indent:2em" | 200.09(11) keV
| 21.1(16) µs
|
|
| (5/2+)
|-
| rowspan="2" |252Fm
| rowspan="2" style="text-align:right" | 100
| rowspan="2" style="text-align:right" | 152
| rowspan="2" |252.082467(6)
| rowspan="2" |25.39(4) h
|  (99.99%)
| 248Cf
| rowspan="2" |0+
|-
| SF (.0023%)
| (various)
|-
| rowspan=2|253Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 153
| rowspan=2|253.085185(4)
| rowspan=2|3.00(12) d
|  (88%)
| 253Es
| rowspan=2|(1/2)+
|-
|  (12%)
| 249Cf
|-
| rowspan=2|254Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 154
| rowspan=2|254.0868544(30)
| rowspan=2|3.240(2) h
|  (99.94%)
| 250Cf
| rowspan=2|0+
|-
| SF (.0592%)
| (various)
|-
| rowspan=2|255Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 155
| rowspan=2|255.089964(5)
| rowspan=2|20.07(7) h
| 
| 251Cf
| rowspan=2|7/2+
|-
| SF (2.4×10−5%)
| (various)
|-
| rowspan=2|256Fm
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 156
| rowspan=2|256.091774(8)
| rowspan=2|157.6(13) min
| SF (91.9%)
| (various)
| rowspan=2|0+
|-
|  (8.1%)
| 252Cf
|-
| rowspan=2|257FmHeaviest nuclide produced via neutron capture
| rowspan=2 style="text-align:right" | 100
| rowspan=2 style="text-align:right" | 157
| rowspan=2|257.095106(7)
| rowspan=2|100.5(2) d
|  (99.79%)
| 253Cf
| rowspan=2|(9/2+)
|-
| SF (.21%)
| (various)
|-
| 258Fm
| style="text-align:right" | 100
| style="text-align:right" | 158
| 258.09708(22)#
| 370(14) µs
| SF
| (various)
| 0+
|-
| 259Fm
| style="text-align:right" | 100
| style="text-align:right" | 159
| 259.1006(3)#
| 1.5(3) s
| SF
| (various)
| 3/2+#
|-
| 260FmDiscovery of this isotope is unconfirmedNot directly synthesized, occurs as decay product of 260Md
| style="text-align:right" | 100
| style="text-align:right" | 160
| 260.10281(55)#
| 4 ms
|
|
| 0+
|}

 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. Editing notes on this article's talk page.
 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.

Fm