Ac
Actinium-233
Protons (Z)
89
Neutrons (N)
144
Mass number
233
Half-Life
2.38 m
Abundance
---
Mass
233.044 u
Mass Excess
41,308.0 keV
Spin
(1/2+)
Discovered
1983
Binding energy per nucleon
7,595 keV
Neutron separation energy
5,917 keV
Proton separation energy
6,478 keV
Decay Mode
- β⁻→Thorium-233100%
Decay chain
- AcActinium-233Z 89 · N 1442.38 m
- β⁻100%
- β⁻100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%