The chemical formula of Iron III oxide is Fe2O3. It really is received from the mineral ore called hematite. It really is mined after which you can processed to obtain iron oxide for extracting the metal. Iron is also called Ferrum in Latin. The valency of this metal is 2 https://3d-printing-service82582.thelateblog.com/39242079/alumina-crucible-can-be-fun-for-anyone