Ra
Radium-233
Protons (Z)
88
Neutrons (N)
145
Mass number
233
Half-Life
30.0 s
Abundance
---
Mass
233.048 u
Mass Excess
44,334.0 keV
Spin
(1/2+)
Discovered
1990
Binding energy per nucleon
7,586 keV
Neutron separation energy
4,234 keV
Proton separation energy
9,028 keV
Decay Mode
- β⁻→Actinium-233100%
Decay chain
- RaRadium-233Z 88 · N 14530.0 s
- β⁻100%
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%