Er
Erbium-151
Protons (Z)
68
Neutrons (N)
83
Mass number
151
Half-Life
23.5 s
Abundance
---
Mass
150.937 u
Mass Excess
-58,266.0 keV
Spin
(7/2-)
Discovered
1970
Binding energy per nucleon
8,105 keV
Neutron separation energy
8,506 keV
Proton separation energy
3,609 keV
Decay Mode
- β⁺→Holmium-151100%
Decay chain
- ErErbium-151Z 68 · N 8323.5 s
- β⁺100%
- β⁺88%
- β⁺94.4%
- β⁺99.991%
- EC~100%
- α100%
- β⁻100%
- α100%