Ra
Radium-235
Protons (Z)
88
Neutrons (N)
147
Mass number
235
Half-Life
5.0 s
Abundance
---
Mass
235.055 u
Mass Excess
51,130.0 keV
Spin
(5/2+)
Discovered
---
Binding energy per nucleon
7,561 keV
Neutron separation energy
3,872 keV
Proton separation energy
---
Decay Mode
- β⁻→Actinium-235
Decay chain
- RaRadium-235Z 88 · N 1475.0 s
- β⁻
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- β⁻100%
- α~100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%