Periodic Table Of The Elements

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Atomic Number: 72
Symbol: Hf
Name: Hafnium
Group: 4
Period: 6
Weight: 178.49(2)
Density: 13.31
Melting Point: 2500.15
Boiling Point: 4876
Specific Heat Capacity: 0.144
Electronegativity: 1.3
Abundance: 3