H Home Background Color: He Li Be Hydrogen Main Page Black White Gray B C N O F Ne Na Mg Hydrogen Pictures Page Al Si P S Cl Ar K Ca Hydrogen 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 Hydrogen (click to see decay chain): 1H  2H  3H  4H  5H  6H  7H

4H     Half-life Fermion, 1p 3n 9.917391304348×10-14 ns Spin 2 Parity -1 Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 100% 3He Atomic Weight 4.027806424 Abundance None Mass Excess 25.901518MeV Binding Energy 1.400351MeV Magnetic Moment N/A Quadrupole Moment N/A   Show Element Pictures. Also show decay chains leading to this isotope. Show all decays, even very low-probability.

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