Er
Erbium-142
Protons (Z)
68
Neutrons (N)
74
Mass number
142
Half-Life
10.0 µs
Abundance
---
Mass
141.97 u
Mass Excess
-27,930.0 keV
Spin
0+
Discovered
---
Binding energy per nucleon
7,893 keV
Neutron separation energy
---
Proton separation energy
859 keV
Decay Mode
- p→Holmium-141
Decay chain
- ErErbium-142Z 68 · N 7410.0 µs
- p
- p100%
- β⁺
- β⁺99.74%
- β⁺100%
- β⁺100%
- β⁺100%
- β⁺100%
- EC100%
- β⁺100%