Np
Neptunium-227
Protons (Z)
93
Neutrons (N)
134
Mass number
227
Half-Life
510.0 ms
Abundance
---
Mass
227.035 u
Mass Excess
32,580.0 keV
Spin
(5/2+)
Discovered
1990
Binding energy per nucleon
7,607 keV
Neutron separation energy
8,311 keV
Proton separation energy
2,038 keV
Decay Mode
Decay chain
- NpNeptunium-227Z 93 · N 134510.0 ms
- α100%
- α100%
- α100%
- α100%
- EC58.2%
- α100%