The Chemical formula of Iron III oxide is Fe2O3. It's attained from the mineral ore named hematite. It is actually mined and after that processed to get iron oxide for extracting the metal. Iron is also referred to as Ferrum in Latin. The valency of this metal is two and https://rivercddbn.thenerdsblog.com/44852201/the-basic-principles-of-silica-aerogel