Ac
Actinium-212
Protons (Z)
89
Neutrons (N)
123
Mass number
212
Half-Life
895.0 ms
Abundance
---
Mass
212.008 u
Mass Excess
7,300.0 keV
Spin
7+
Discovered
1968
Binding energy per nucleon
7,708 keV
Neutron separation energy
7,911 keV
Proton separation energy
821 keV
Decay Mode
Decay chain
- AcActinium-212Z 89 · N 123895.0 ms
- α100%
- α89%
- β⁺96.2%
- β⁺99.33%
- β⁺100%