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LiBeFermium Main PageBlack White GrayBCNOFNe
NaMgFermium Pictures PageAlSiPSClAr
KCaFermium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Fermium (click to see decay chain):
242Fm  243Fm  244Fm  245Fm  246Fm  247Fm  248Fm  249Fm  250Fm  251Fm  252Fm  253Fm  254Fm  255Fm  256Fm  257Fm  258Fm  259Fm  260Fm 

254Fm    Half-lifeBoson, 100p 154ntitle icon
3.24 hSpin 0 Parity 1

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ProbabilityModeDecay EnergyDaughter
100%α7.30748MeV250Cf
0.0592%SFN/AVariable
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YieldNuclide
100.0441587592%206Pb
1.890378000004×10-6%205Tl
2.600104000006×10-9%208Pb
1.69136013816×10-28%160Dy
1.109685390816×10-32%140Ce
Unknown172Yb
Unknown152Sm
Unknown180Hf
Unknown176Hf
Unknown156Gd
Unknown168Er
Unknown164Dy
Atomic Weight254.08685422
AbundanceNone
Mass Excess80.904186MeV
Binding Energy7.444786MeV
Magnetic Moment0 μ
Quadrupole MomentN/A
 
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Decay Chain Image

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..