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

55Ca     Half-life Fermion, 20p 35n 30 ms Spin 5/2 Parity -1 Hide Decay Modes Probability Mode Decay Energy Daughter Unknown β- 11.46MeV 55Sc Show Ultimate Decay Products Atomic Weight 54.98055 Abundance None Mass Excess -18.118MeV Binding Energy 8.116MeV Magnetic Moment N/A 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..