The chemical formula of Iron III oxide is Fe2O3. It can be received from a mineral ore called hematite. It is mined and then processed to acquire iron oxide for extracting the metal. Iron is also called Ferrum in Latin. The valency of the metal is 2 and 3. When https://boronnitride48147.thecomputerwiki.com/6092316/the_fact_about_zirconium_diboride_that_no_one_is_suggesting