Ac
Actinium-224
Protons (Z)
89
Neutrons (N)
135
Mass number
224
Half-Life
2.78 h
Abundance
---
Mass
224.022 u
Mass Excess
20,234.0 keV
Spin
(0-)
Discovered
1948
Binding energy per nucleon
7,670 keV
Neutron separation energy
5,662 keV
Proton separation energy
4,288 keV
Decay Mode
Decay chain
- AcActinium-224Z 89 · N 1352.78 h
- β⁺90.5%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%