Ra
Radium-223
Protons (Z)
88
Neutrons (N)
135
Mass number
223
Half-Life
11.44 d
Abundance
---
Mass
223.019 u
Mass Excess
17,233.2 keV
Spin
3/2+
Discovered
1905
Binding energy per nucleon
7,685 keV
Neutron separation energy
5,158 keV
Proton separation energy
6,434 keV
Decay Mode
Decay chain
- RaRadium-223Z 88 · N 13511.44 d
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%