The Chemical formula of Iron III oxide is Fe2O3. It is actually received from the mineral ore identified as hematite. It really is mined and after that processed to obtain iron oxide for extracting the metal. Iron is also called Ferrum in Latin. The valency of the metal is 2 https://3d-printing-materials16925.onzeblog.com/38978798/a-simple-key-for-titanium-nitride-unveiled