Er

Erbium-167m

Protons (Z)

68

Neutrons (N)

99

Mass number

167

Half-Life

2.27 s

Abundance

---

Mass

166.932 u

Mass Excess

-63,081.46 keV

Spin

1/2-

Discovered

1986

Binding energy per nucleon

8,130 keV

Neutron separation energy

6,229 keV

Proton separation energy

7,300 keV

Decay Mode

γErbium-167100%

Decay chain

Erbium-167Z 68 · N 992.27 s
γ100%