Er

Erbium-177

Protons (Z)

68

Neutrons (N)

109

Mass number

177

Half-Life

8.0 s

Abundance

---

Mass

176.954 u

Mass Excess

-42,860.0 keV

Spin

(1/2-)

Discovered

2012

Binding energy per nucleon

8,013 keV

Neutron separation energy

4,301 keV

Proton separation energy

10,759 keV

Decay Mode

β⁻Thulium-177

Decay chain

Erbium-177Z 68 · N 1098.0 s
β⁻
β⁻100%
β⁻100%
β⁻100%