H Home Background Color: He Li Be Helium Main Page Black White Gray B C N O F Ne Na Mg Helium Pictures Page Al Si P S Cl Ar K Ca Helium Technical Data Sc Ti V Cr Mn Fe Co Ni Cu Zn Ga Ge As Se Br Kr Rb Sr Y Zr Nb Mo Tc Ru Rh Pd Ag Cd In Sn Sb Te I Xe Cs Ba La Ce Pr Nd Pm Sm Eu Gd Tb Dy Ho Er Tm Yb Lu Hf Ta W Re Os Ir Pt Au Hg Tl Pb Bi Po At Rn Fr Ra Ac Th Pa U Np Pu Am Cm Bk Cf Es Fm Md No Lr Rf Db Sg Bh Hs Mt Ds Rg Cn Nh Fl Mc Lv Ts Og

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

2He     Half-life Boson, 2p 0n N/A Spin ? Parity ? This isotope is unstable but has no known daughter products, so instead we show decay chains that lead down to it. The ultimate decay products of this nuclide are not known. Atomic Weight N/A Abundance None Mass Excess N/A Binding Energy N/A Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures.

Click any isotope in diagram to see its data. Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..