Ac
Actinium-207
Protons (Z)
89
Neutrons (N)
118
Mass number
207
Half-Life
31.0 ms
Abundance
---
Mass
207.012 u
Mass Excess
11,150.0 keV
Spin
9/2-
Discovered
1994
Binding energy per nucleon
7,681 keV
Neutron separation energy
10,401 keV
Proton separation energy
-295 keV
Decay Mode
- α→Francium-203100%
Decay chain
- AcActinium-207Z 89 · N 11831.0 ms
- α100%
- α100%
- α89%
- β⁺~100%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%