Er

Erbium-158

Protons (Z)

68

Neutrons (N)

90

Mass number

158

Half-Life

2.29 h

Abundance

---

Mass

157.93 u

Mass Excess

-65,304.0 keV

Spin

0+

Discovered

1961

Binding energy per nucleon

8,148 keV

Neutron separation energy

9,961 keV

Proton separation energy

5,760 keV

Decay Mode

ECHolmium-158100%

Decay chain

Erbium-158Z 68 · N 902.29 h
EC100%
β⁺100%