Chemestry, element-Zr, Zirconium
Zirconium Zirconium (assigned the symbol Zr , a chemical element with the atomic number of 40 , is a transition metal element found in Group IVa of the periodic table Zirconium is a rare light-grayish lustrous metal . It is corrosion-resistant because it forms an oxide film on its surface which inhibits further corrosion . …