H Home Background Color: He Li Be Sodium Main Page Black White Gray B C N O F Ne Na Mg Sodium Pictures Page Al Si P S Cl Ar K Ca Sodium 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 Sodium (click to see decay chain): 18Na  19Na  20Na  21Na  22Na  23Na  24Na  25Na  26Na  27Na  28Na  29Na  30Na  31Na  32Na  33Na  34Na  35Na  36Na  37Na

31Na     Half-life Boson, 11p 20n 17 ms Spin 3/2 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 62% β- 15.872MeV 31Mg 37% β-n 13.494MeV 30Mg 0.9% β-2n 7.131MeV 29Mg 0.05% β-3n N/A 28Mg Hide Ultimate Decay Products Yield Nuclide 57.1144% 31P 41.77648% 30Si 0.9222% 29Si 0.05% 28Si Atomic Weight 31.013585452 Abundance None Mass Excess 12.654768MeV Binding Energy 7.385492MeV Magnetic Moment 2.305 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..