Am
Americium-241
Protons (Z)
95
Neutrons (N)
146
Mass number
241
Half-Life
432.6 y
Abundance
---
Mass
241.057 u
Mass Excess
52,934.3 keV
Spin
5/2-
Discovered
1949
Binding energy per nucleon
7,543 keV
Neutron separation energy
6,647 keV
Proton separation energy
4,480 keV
Decay Mode
- α→Neptunium-237~100%
- SF3.6e-10%
Decay chain
- AmAmericium-241Z 95 · N 146432.6 y
- α~100%
- α~100%
- β⁻100%
- α~100%
- α100%
- β⁻100%
- α~100%
- α~100%
- α99.992%
- β⁻97.91%
- α100%
- β⁻100%
- α100%