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 

254No    Half-lifeBoson, 102p 152ntitle icon
51 sSpin 0 Parity 1

Hide Decay Modes
ProbabilityModeDecay EnergyDaughter
90%α8.2258MeV250Fm
10%β+188keV254Md
0.17%SFN/AVariable
Hide Ultimate Decay Products
YieldNuclide
99.77728420259%206Pb
1.885335288896×10-6%205Tl
2.593176956814×10-9%208Pb
6.227280714682×10-17%160Dy
4.085659983161×10-21%140Ce
Unknown172Yb
Unknown152Sm
Unknown180Hf
Unknown176Hf
Unknown156Gd
Unknown168Er
Unknown164Dy
Atomic Weight254.090955253
AbundanceNone
Mass Excess84.724274MeV
Binding Energy7.423586MeV
Magnetic Moment0 μ
Quadrupole MomentN/A
 
Show Isotope Symbols.
Also show decay chains leading to this isotope.
Show all decays, even very low-probability.
Click any isotope in diagram to see its data.
Decay Chain Image

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