Actinium-226 (Ac-226)
Identity
- Protons
- 89
- Neutrons
- 137
- Mass number
- 226
- Mass
- 226.0 ± 3.3 u
- Mass excess
- 24.309 MeV
- Spin
- (1-)
Stability
Half-life: 1.22 days
Natural occurrence
Not found in nature
Decays to
- beta minus 83.0 % Th-226 (no page)
- electron capture 17.0 % Ra-226
- alpha 0.0060 % Fr-222 (no page)