Description: Hafnium Element Specifications:
Element Name: Hafnium
Element Symbol: 72
Element Number: 72
Element Mass: 178.49000
Element Boiling Point: 5400.00 °C
Element Melting Point: 2150.00 °C
Element Proton Count: 72
Element Electron Count: 72
Element Neutron Count: 104
Element Density (g/cm³): 13.20000
Element Color (estimate): Silver