H Home Background Color: He Li Be Magnesium Main Page Black White Gray B C N O F Ne Na Mg Magnesium Pictures Page Al Si P S Cl Ar K Ca Magnesium 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 Magnesium (click to see decay chain): 19Mg  20Mg  21Mg  22Mg  23Mg  24Mg  25Mg  26Mg  27Mg  28Mg  29Mg  30Mg  31Mg  32Mg  33Mg  34Mg  35Mg  36Mg  37Mg  38Mg  39Mg  40Mg

40Mg     Half-life Boson, 12p 28n 170 ns Spin 0 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter Unknown β- 20.94MeV 40Al Unknown β-n 20.77MeV 39Al Hide Ultimate Decay Products Yield Nuclide Unknown 39K Unknown 40Ar Unknown 38Ar Atomic Weight 40.05393 Abundance None Mass Excess 50.235MeV Binding Energy 6.581MeV Magnetic Moment 0 μ Quadrupole Moment N/A   Show Isotope Symbols. Show only decay products of this isotope.

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