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 Hide Ultimate Decay Products Yield Nuclide Unknown 40Ar 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. 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..