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

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

7He    Half-lifeFermion, 2p 5ntitle icon
3.041333333333×10-12 nsSpin 3/2 Parity -1

Hide Decay Modes
ProbabilityModeDecay EnergyDaughter
100%n434.6keV6He
Hide Ultimate Decay Products
YieldNuclide
100%6Li
0.00028%4He
Atomic Weight7.028020618
AbundanceNone
Mass Excess26.101038MeV
Binding Energy4.11907MeV
Magnetic MomentN/A
Quadrupole MomentN/A
 
Show Isotope Symbols.
Also show decay chains leading to this isotope.
Show only decays with probability >0.1%.
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..