HHomeBackground Color:He
LiBeNobelium Main PageBlack White GrayBCNOFNe
NaMgNobelium Pictures PageAlSiPSClAr
KCaNobelium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Nobelium (click to see decay chain):
248No  249No  250No  251No  252No  253No  254No  255No  256No  257No  258No  259No  260No  261No  262No  263No  264No 

251No    Half-lifeFermion, 102p 149ntitle icon
800 msSpin 7/2 Parity 1

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ProbabilityModeDecay EnergyDaughter
83%α8.907MeV247Fm
17%β+2.865MeV251Md
0.3%SFN/AVariable
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YieldNuclide
99.61435420464%207Pb
8.841247947847×10-8%205Tl
7.947199781567×10-10%206Pb
9.834646593668×10-13%208Pb
Atomic Weight251.089012
AbundanceNone
Mass Excess82.914MeV
Binding Energy7.423MeV
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..