Question

List three metals that are found in nature as metal ores with chemical formulas

Answer 1

Barite: BaSO4Bauxite Al(OH)3 and AlOOH, dried to Al2O3for production of aluminiumBeryl: Be3Al2(SiO3)6Bornite: Cu5FeS4Cassiterite: SnO2Chalcocite: Cu2S for production of copperChalcopyrite: CuFeS2Chromite: (Fe, Mg)Cr2O4 for production of chromiumCinnabar: HgS for production of mercuryCobaltite: (Co, Fe)AsSColumbite-Tantalite or Coltan: (Fe, Mn)(Nb, Ta)2O6Dolomite: CaMg(CO3)2Galena: PbSNative gold: Au, typically associated with quartz or as placer depositsHematite: Fe2O3Ilmenite: FeTiO3Magnetite: Fe3O4