Am
Americium-228
Protons (Z)
95
Neutrons (N)
133
Mass number
228
Half-Life
100.0 ms
Abundance
---
Mass
228.046 u
Mass Excess
42,850.0 keV
Spin
---
Discovered
---
Binding energy per nucleon
7,557 keV
Neutron separation energy
7,401 keV
Proton separation energy
1,209 keV
Decay Mode
- α→Neptunium-224
- SF
Decay chain
- AmAmericium-228Z 95 · N 133100.0 ms
- α
- α100%
- α100%
- α100%
- β⁺57%
- α100%
- α~100%