hat
Hafnium se eleman chimik ak senbòl Hf ak nimewo atomik 72. Yon lustrous, Gibbon gri, tetravalent tranzisyon an kwiv, hafnium chimique sanble Zikonyòm e te twouve nan anpil Zikonyòm inewo. Hafnium te itilize nan filaments ak électrodes. Sèvi ak yon pratik fabwikasyon semiconductor...
eng
Hafnium is a chemical element with symbol Hf and atomic number 72. A lustrous , silvery gray, tetravalent transition metal , hafnium chemically resembles zirconium and is found in many zirconium minerals . Hafnium is used in filaments and electrodes. Some semiconductor fabrication processes use...