Pu
Plutonium-238
Protons (Z)
94
Neutrons (N)
144
Mass number
238
Half-Life
87.7 y
Abundance
---
Mass
238.05 u
Mass Excess
46,163.1 keV
Spin
0+
Discovered
1949
Binding energy per nucleon
7,568 keV
Neutron separation energy
7,000 keV
Proton separation energy
5,997 keV
Decay Mode
- SF1.9e-7%
- CD6e-15%
Decay chain
- PuPlutonium-238Z 94 · N 14487.7 y
- α~100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%