Np
Neptunium-226
Protons (Z)
93
Neutrons (N)
133
Mass number
226
Half-Life
35.0 ms
Abundance
---
Mass
226.035 u
Mass Excess
32,820.0 keV
Spin
---
Discovered
1990
Binding energy per nucleon
7,604 keV
Neutron separation energy
6,871 keV
Proton separation energy
1,841 keV
Decay Mode
Decay chain
- NpNeptunium-226Z 93 · N 13335.0 ms
- α100%
- α100%
- α100%
- α100%
- β⁺99.825%
- α100%