223Ra
Radium-223
Radioactive· Half-life: 11.4 d
Nuclear Propertiesbinding energy · spin-parity · abundance
Protons (Z)
88
Neutrons (N)
135
Mass Number (A)
223
Atomic Mass
223.018501AMU
Spin / Parity
3/2+
Binding E/A
7.484keV
Natural Abundance
Trace / None
Half-life
11.4 d
Decay Chain
α100.0%
215PoPolonium1.78 msβ⁻100.0%
211BiBismuth2.14 minβ⁻100.0%
207PbLeadSTABLE7-step decay chain → stable · Primary path shown · branching ratios indicated
Other Isotopes of Radium
Medical Applications
← Back to RadiumData: IAEA NDS · ENSDF