Ac
Actinium-226
Protons (Z)
89
Neutrons (N)
137
Mass number
226
Half-Life
1.22 d
Abundance
---
Mass
226.026 u
Mass Excess
24,309.0 keV
Spin
(1-)
Discovered
1950
Binding energy per nucleon
7,656 keV
Neutron separation energy
5,399 keV
Proton separation energy
4,973 keV
Decay Mode
Decay chain
- AcActinium-226Z 89 · N 1371.22 d
- β⁻83%
- α~100%
- α~100%
- α100%
- α100%
- β⁻~100%
- β⁻~100%
- α100%