Lutetium-174 (Lu-174)

Identity

Protons

71

Neutrons

103

Mass number

174

Mass

173.9 ± 1.7 u

Mass excess

-55.570 MeV

Spin

1-*

Stability

Half-life: 3.31 years

Natural occurrence

Not found in nature

Decays to

• positron emission → Yb-174