Er

Erbium-169n

Protons (Z)

68

Neutrons (N)

101

Mass number

169

Half-Life

200.0 ns

Abundance

---

Mass

168.935 u

Mass Excess

-60,677.5 keV

Spin

7/2+

Discovered

1969

Binding energy per nucleon

8,116 keV

Neutron separation energy

5,760 keV

Proton separation energy

7,906 keV

Decay Mode

γErbium-169100%

Decay chain

Erbium-169Z 68 · N 101200.0 ns
γ100%
β⁻100%