HHomeBackground Color:He
LiBeMendelevium Main PageBlack White GrayBCNOFNe
NaMgMendelevium Pictures PageAlSiPSClAr
KCaMendelevium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Mendelevium (click to see decay chain):
245Md  246Md  247Md  248Md  249Md  250Md  251Md  252Md  253Md  254Md  255Md  256Md  257Md  258Md  259Md  260Md  261Md  262Md 

257Md    Half-lifeBoson, 101p 156ntitle icon
5.527777777778 hSpin 7/2 Parity -1

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ProbabilityModeDecay EnergyDaughter
85%ϵ406.73keV257Fm
15%α7.5576MeV253Es
4%SFN/AVariable
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Atomic Weight257.095541368
AbundanceNone
Mass Excess88.996213MeV
Binding Energy7.417569MeV
Magnetic MomentN/A
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..