H Home Background Color: He Li Be Aluminum Main Page Black White Gray B C N O F Ne Na Mg Aluminum Pictures Page Al Si P S Cl Ar K Ca Aluminum 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 Aluminum (click to see decay chain): 21Al  22Al  23Al  24Al  25Al  26Al  27Al  28Al  29Al  30Al  31Al  32Al  33Al  34Al  35Al  36Al  37Al  38Al  39Al  40Al  41Al  42Al

31Al     Half-life Boson, 13p 18n 644 ms Spin Uncertain Parity Uncertain Show Decay Modes Hide Ultimate Decay Products Yield Nuclide 98% 31P 1.6% 30Si Atomic Weight 30.983946619 Abundance None Mass Excess -14.953628MeV Binding Energy 8.225611MeV Magnetic Moment N/A 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..