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Periodic table
›
hafnium
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Hf-179
Hafnium-179 (Hf-179)
Identity
Protons
72
Neutrons
107
Mass number
179
Mass
178.9 ± 1.5 u
Mass excess
-50.463 MeV
Spin
9/2+*
Stability
stable
Natural occurrence
13.62 %
of hafnium
Produced by
Ta-179
All isotopes of hafnium