Lu

Lutetium-181

Protons (Z)

71

Neutrons (N)

110

Mass number

181

Half-Life

3.5 m

Abundance

---

Mass

180.952 u

Mass Excess

-44,800.0 keV

Spin

(7/2+)

Discovered

1982

Binding energy per nucleon

8,012 keV

Neutron separation energy

6,191 keV

Proton separation energy

7,369 keV

Decay Mode

β⁻Hafnium-181100%

Decay chain

Lutetium-181Z 71 · N 1103.5 m
β⁻100%
β⁻100%