Am
Americium-242
Protons (Z)
95
Neutrons (N)
147
Mass number
242
Half-Life
16.02 h
Abundance
---
Mass
242.06 u
Mass Excess
55,468.0 keV
Spin
1-
Discovered
1949
Binding energy per nucleon
7,535 keV
Neutron separation energy
5,538 keV
Proton separation energy
4,776 keV
Decay Mode
Decay chain
- AmAmericium-242Z 95 · N 14716.02 h
- β⁻82.7%
- α~100%
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%