Ra
Radium-205
Protons (Z)
88
Neutrons (N)
117
Mass number
205
Half-Life
220.0 ms
Abundance
---
Mass
205.006 u
Mass Excess
5,804.0 keV
Spin
3/2-
Discovered
1987
Binding energy per nucleon
7,707 keV
Neutron separation energy
8,328 keV
Proton separation energy
2,092 keV
Decay Mode
Decay chain
- RaRadium-205Z 88 · N 117220.0 ms
- α100%
- α
- α44%
- β⁺
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%