The 2-Minute Rule for is zinc sulfide ionic or covalent
6 The sponge electrode is then positioned within a vacuum arc furnace for melting. On this water-cooled, copper container, An electrical arc is used to melt the sponge electrode to variety an ingot.He known as the blue crystals that shaped carborundum, believing it being a completely new compound of carbon and aluminium, comparable to corundum. Hen