Hafnium Element Facts (Português)
72 Hf 178.5 The chemical element hafnium is classed as a transition metal . It was discovered in 1923 by Georg von Hevesy and Dirk Coster. Data Zone Classification: Hafnium is a transition metal Color: silvery Atomic weight: 178.,49 State: solid Melting point: 2230 oC, 2503 K Boiling point: 4600 oC, 4873 K Electrons: 72 Protons: 72 Neutrons in most abundant isotope: 108 Electron shells: 2,8,18,32,10,2 Electron configuration: 4f14 5d2 6s2 Density @ 20oC: 13.,2 g/cm3 Show more, including: Heats,…