Np
Neptunium-243
Protons (Z)
93
Neutrons (N)
150
Mass number
243
Half-Life
1.85 m
Abundance
---
Mass
243.064 u
Mass Excess
59,810.0 keV
Spin
(5/2+)
Discovered
1979
Binding energy per nucleon
7,526 keV
Neutron separation energy
5,681 keV
Proton separation energy
6,099 keV
Decay Mode
- β⁻→Plutonium-243100%
Decay chain
- NpNeptunium-243Z 93 · N 1501.85 m
- β⁻100%
- β⁻100%
- α~100%
- β⁻100%
- α~100%
- α~100%
- β⁻100%
- α~100%
- β⁻98.62%
- α100%
- α~100%
- α100%
- α~100%
- β⁻100%
- α~100%
- β⁻100%