Hafnium is a shiny silver-gray tetravalent transition metal
Review of hafnium Hafnium can be described as a chemical element. Its symbol is Hf, and its atomic numer is 72. Hafnium, which is a shiny silvery-gray tetravalent transformation metal has the same chemical properties as zirconium and can also be found in zirconium minerals. Dmitri Menedeleev had predicted it’s existence in 1869. But it …