Pu
Plutonium-240m
Protons (Z)
94
Neutrons (N)
146
Mass number
240
Half-Life
165.0 ns
Abundance
---
Mass
240.055 u
Mass Excess
51,434.0 keV
Spin
5-
Discovered
1967
Binding energy per nucleon
7,551 keV
Neutron separation energy
5,226 keV
Proton separation energy
5,166 keV
Decay Mode
- γ→Plutonium-240100%
Decay chain
- PuPlutonium-240Z 94 · N 146165.0 ns
- γ100%
- α~100%
- α~100%
- α~100%
- β⁻100%
- β⁻100%
- α~100%
- α~100%
- α100%
- α100%
- β⁻100%
- β⁻64.046%
- α100%