H Home Background Color: He Li Be Calcium Main Page Black White Gray B C N O F Ne Na Mg Calcium Pictures Page Al Si P S Cl Ar K Ca Calcium 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 Calcium (click to see decay chain): 34Ca  35Ca  36Ca  37Ca  38Ca  39Ca  40Ca  41Ca  42Ca  43Ca  44Ca  45Ca  46Ca  47Ca  48Ca  49Ca  50Ca  51Ca  52Ca  53Ca  54Ca  55Ca  56Ca  57Ca

40Ca     Half-life Boson, 20p 20n 3×1021 y Spin 0 Parity 1 Show Decay Modes Show Ultimate Decay Products Atomic Weight 39.962590983 Abundance 96.94% Mass Excess -34.846275MeV Binding Energy 8.551301MeV Magnetic Moment 0 μ Quadrupole Moment N/A   Show Element Pictures. Also show decay chains leading to this isotope. Show only decays with probability >0.1%.

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