Ra
Radium-205m
Protons (Z)
88
Neutrons (N)
117
Mass number
205
Half-Life
180.0 ms
Abundance
---
Mass
205.007 u
Mass Excess
6,067.0 keV
Spin
13/2+
Discovered
1995
Binding energy per nucleon
7,706 keV
Neutron separation energy
8,065 keV
Proton separation energy
1,829 keV
Decay Mode
Decay chain
- RaRadium-205Z 88 · N 117180.0 ms
- α100%
- α
- α44%
- β⁺
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%