Er

Erbium-178

Protons (Z)

68

Neutrons (N)

110

Mass number

178

Half-Life

4.0 s

Abundance

---

Mass

177.957 u

Mass Excess

-40,260.0 keV

Spin

0+

Discovered

2012

Binding energy per nucleon

7,999 keV

Neutron separation energy

5,471 keV

Proton separation energy

11,269 keV

Decay Mode

β⁻Thulium-178

Decay chain

Erbium-178Z 68 · N 1104.0 s
β⁻
β⁻
β⁻100%
β⁻100%