Hafnium (Hf)

Atomic number: 72
Symbol: Hf
Atomic weight: 178.49
Boiling Point (C): 5400
Melting Point (C): 2222
Density: 13.1
heatVapor: 155
heatFusion: 5.2
Electrical Conductivity: 0.031
Thermal Conductivity: .22
Specific Heat Capacity: 0.035