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 

243Np    Half-lifeBoson, 93p 150ntitle icon
1.85 mSpin 5/2 Parity -1

Hide Decay Modes
ProbabilityModeDecay EnergyDaughter
100%β-2.12MeV243Pu
Show Ultimate Decay Products
Atomic Weight243.064279
AbundanceNone
Mass Excess59.875MeV
Binding Energy7.525MeV
Magnetic MomentN/A
Quadrupole MomentN/A
 
Show Element Pictures.
Also show decay chains leading to this isotope.
Show only decays with probability >0.1%.
Show Decay Image Smaller.
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..