Er

Erbium-161m

Protons (Z)

68

Neutrons (N)

93

Mass number

161

Half-Life

7.5 µs

Abundance

---

Mass

160.93 u

Mass Excess

-64,805.0 keV

Spin

11/2-

Discovered

1969

Binding energy per nucleon

8,143 keV

Neutron separation energy

6,812 keV

Proton separation energy

5,712 keV

Decay Mode

γErbium-161100%

Decay chain

Erbium-161Z 68 · N 937.5 µs
γ100%
β⁺100%
EC100%