Np
Neptunium-234
Protons (Z)
93
Neutrons (N)
141
Mass number
234
Half-Life
4.4 d
Abundance
---
Mass
234.043 u
Mass Excess
39,955.0 keV
Spin
(0+)
Discovered
1949
Binding energy per nucleon
7,590 keV
Neutron separation energy
6,066 keV
Proton separation energy
4,253 keV
Decay Mode
- β⁺→Uranium-234100%
Decay chain
- NpNeptunium-234Z 93 · N 1414.4 d
- β⁺100%
- α~100%
- α~100%
- α~100%
- α100%
- α99.98%
- β⁻100%
- β⁻99.976%
- α100%
- β⁻~100%
- β⁻~100%
- α100%