Ac
Actinium-214
Protons (Z)
89
Neutrons (N)
125
Mass number
214
Half-Life
8.2 s
Abundance
---
Mass
214.007 u
Mass Excess
6,433.0 keV
Spin
5+
Discovered
1968
Binding energy per nucleon
7,716 keV
Neutron separation energy
7,779 keV
Proton separation energy
1,202 keV
Decay Mode
Decay chain
- AcActinium-214Z 89 · N 1258.2 s
- α93%
- α71%
- β⁺99.1%
- β⁺94.55%
- β⁺100%