H Home Background Color: He Li Be Beryllium Main Page Black White Gray B C N O F Ne Na Mg Beryllium Pictures Page Al Si P S Cl Ar K Ca Beryllium 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 Beryllium (click to see decay chain): 5Be  6Be  7Be  8Be  9Be  10Be  11Be  12Be  13Be  14Be  15Be  16Be

12Be     Half-life Boson, 4p 8n 21.5 ms Spin 0 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% β- 11.7076MeV 12B 0.5% β-n 8.3373MeV 11B Hide Ultimate Decay Products Yield Nuclide 98% 12C 1.6% 4He 0.5% 11B Atomic Weight 12.026920737 Abundance None Mass Excess 25.076506MeV Binding Energy 5.720826MeV Magnetic Moment 0 μ 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..