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Isotopes of Radium (click to see decay chain): 202Ra  203Ra  204Ra  205Ra  206Ra  207Ra  208Ra  209Ra  210Ra  211Ra  212Ra  213Ra  214Ra  215Ra  216Ra  217Ra  218Ra  219Ra  220Ra  221Ra  222Ra  223Ra  224Ra  225Ra  226Ra  227Ra  228Ra  229Ra  230Ra  231Ra  232Ra  233Ra  234Ra

208Ra     Half-life Boson, 88p 120n 1.3 s Spin 0 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 95% α 7.27306MeV 204Rn 5% β+ 3.3569MeV 208Fr Show Ultimate Decay Products Atomic Weight 208.00183994 Abundance None Mass Excess 1.713894MeV Binding Energy 7.732084MeV Magnetic Moment 0 μ Quadrupole Moment N/A   Show Element Pictures. Show only decay products of this isotope. Show Decay Image Full Size.

Decay chain image generated by Mathematica's GraphPlot and IsotopeData functions from Wolfram Research, Inc..