HHomeBackground Color:He
LiBeHelium Main PageBlack White GrayBCNOFNe
NaMgHelium Pictures PageAlSiPSClAr
KCaHelium Technical DataScTiVCrMnFeCoNiCuZnGaGeAsSeBrKr
RbSrYZrNbMoTcRuRhPdAgCdInSnSbTeIXe
CsBaLaCePrNdPmSmEuGdTbDyHoErTmYbLuHfTaWReOsIrPtAuHgTlPbBiPoAtRn
FrRaAcThPaUNpPuAmCmBkCfEsFmMdNoLrRfDbSgBhHsMtDsRgUubUutUuqUupUuhUusUuo

Isotopes of Helium (click to see decay chain):
2He  3He  4He  5He  6He  7He  8He  9He  10He 

4He    Half-lifeBoson, 2p 2ntitle icon
StableSpin 0 Parity 1

This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it.
Atomic Weight4.00260325415
Abundance99.9999%
Mass Excess2.42491565MeV
Binding Energy7.073915MeV
Magnetic Moment
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..