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

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

3He    Half-lifeFermion, 2p 1ntitle icon
StableSpin 1/2 Parity 1

This isotope is stable and thus has no decay products, so instead we show decay chains that lead down to it.
Atomic Weight3.01602931914
Mass Excess14.93121475MeV
Binding Energy2.572681MeV
Magnetic Moment-2.12762485μ
Quadrupole MomentN/A
Show Element Pictures.
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..