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 

255No    Half-lifeFermion, 102p 153ntitle icon
3.1 mSpin 1/2 Parity 1

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ProbabilityModeDecay EnergyDaughter
61%α8.442MeV251Fm
39%β+988.36keV255Md
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YieldNuclide
100.2767001464%207Pb
8.900034301936×10-8%205Tl
8.000041545239×10-10%206Pb
9.900038156082×10-13%208Pb
Atomic Weight255.093241131
AbundanceNone
Mass Excess86.853555MeV
Binding Energy7.417776MeV
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..