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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

216Ra     Half-life Boson, 88p 128n 182 ns Spin 0 Parity 1 Hide Decay Modes Probability Mode Decay Energy Daughter 100% α 9.52569MeV 212Rn 1×10-8% ϵ 312.1keV 216Fr Hide Ultimate Decay Products Yield Nuclide 0.002230010003% 208Pb Unknown 200Hg Atomic Weight 216.003533035 Abundance None Mass Excess 3.291002MeV Binding Energy 7.737347MeV Magnetic Moment 0 μ Quadrupole Moment N/A   Show Isotope Symbols. 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..