HHomeBackground Color:He
LiBeNeptunium Main PageBlack White GrayBCNOFNe
NaMgNeptunium Pictures PageAlSiPSClAr
KCaNeptunium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgCnNhFlMcLvTsOg

Isotopes of Neptunium (click to see decay chain):
225Np  226Np  227Np  228Np  229Np  230Np  231Np  232Np  233Np  234Np  235Np  236Np  237Np  238Np  239Np  240Np  241Np  242Np  243Np  244Np 

226Np    Half-lifeFermion, 93p 133ntitle icon
35 msSpin ? Parity ?

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ProbabilityModeDecay EnergyDaughter
100%α8.1973MeV222Pa
0.003%β+4.3868MeV226U
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Atomic Weight226.035145
AbundanceNone
Mass Excess32.738MeV
Binding Energy7.605MeV
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..