Pu
Plutonium-239
Protons (Z)
94
Neutrons (N)
145
Mass number
239
Half-Life
24.11 ky
Abundance
---
Mass
239.052 u
Mass Excess
48,588.2 keV
Spin
1/2+
Discovered
1946
Binding energy per nucleon
7,560 keV
Neutron separation energy
5,646 keV
Proton separation energy
6,155 keV
Decay Mode
- α→Uranium-235~100%
- SF3.1e-10%
Decay chain
- PuPlutonium-239Z 94 · N 14524.11 ky
- α~100%
- α~100%
- β⁻100%
- α~100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%