Lu

Lutetium-178m

Protons (Z)

71

Neutrons (N)

107

Mass number

178

Half-Life

23.1 m

Abundance

---

Mass

177.946 u

Mass Excess

-50,214.0 keV

Spin

9-

Discovered

1951

Binding energy per nucleon

8,041 keV

Neutron separation energy

5,901 keV

Proton separation energy

6,517 keV

Decay Mode

β⁻Hafnium-178100%

Decay chain

Lutetium-178Z 71 · N 10723.1 m
β⁻100%