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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 

243Fm    Half-lifeFermion, 100p 143ntitle icon
180 msSpin 7/2 Parity 1

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ProbabilityModeDecay EnergyDaughter
60%α8.6891MeV239Cf
39%β+3.454MeV243Es
0.57%SFN/AVariable
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YieldNuclide
27.48324183704%207Pb
2.439268491294×10-8%205Tl
2.192603809629×10-10%206Pb
2.713343602674×10-13%208Pb
Atomic Weight243.074353
AbundanceNone
Mass Excess69.259MeV
Binding Energy7.464MeV
Magnetic MomentN/A
Quadrupole MomentN/A
 
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Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..