Hafnium-177 (Hf-177)

Identity

Protons

72

Neutrons

105

Mass number

177

Mass

176.9 ± 1.5 u

Mass excess

-52.881 MeV

Spin

7/2-*

Stability

stable

Natural occurrence

18.60 % of hafnium

Produced by

• Lu-177
• Ta-177