Ra
Radium-226
Protons (Z)
88
Neutrons (N)
138
Mass number
226
Half-Life
1.6 ky
Abundance
---
Mass
226.025 u
Mass Excess
23,667.6 keV
Spin
0+
Discovered
1898
Binding energy per nucleon
7,662 keV
Neutron separation energy
6,397 keV
Proton separation energy
7,442 keV
Decay Mode
- β⁻
Decay chain
- RaRadium-226Z 88 · N 1381.6 ky
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%