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The brown color indicates that iron is at the oxidation state +3. Green and reddish brown stains on a limestone core sample, respectively corresponding to oxides/hydroxides of Fe 2+ and Fe 3+. Iron oxides feature as ferrous (Fe (II)) or ferric (Fe (III)) or both.
Formula: FeO. Molecular weight: 71.844. IUPAC Standard InChI:InChI=1S/Fe.O Copy. IUPAC Standard InChIKey:UQSXHKLRYXJYBZ-UHFFFAOYSA-N Copy. CAS Registry Number: 1345-25-1. Chemical structure: This structure is also available as a 2d Mol file or as a computed 3d SD file The 3d structure may be viewed using Java or Javascript.
Interactive periodic table showing names, electrons, and oxidation states. Visualize trends, 3D orbitals, isotopes, and mix compounds. Fully descriptive writeups.
Iron oxide (Fe2O3) - Iron oxide is an inorganic compound composed of iron and oxygen with the chemical formula Fe2O3. Visit BYJU'S to understand the properties, structure and its uses.
Iron (III) oxide. Molecular formula: Fe 2 O 3. Average mass: 159.687. Monoisotopic mass: 159.854619. ChemSpider ID: 14147.
Iron(III) oxide or ferric oxide is the inorganic compound with the formula Fe 2 O 3. It occurs in nature as the mineral hematite , which serves as the primary source of iron for the steel industry. It is also known as red iron oxide , especially when used in pigments .
29 lip 2024 · There are eleven element abbreviations that don't seem to match their modern names. Those are subtle reminders of the history of the Periodic Table and the process of the discovery of elements over the millennia. Eight of these oddities are Au (gold), Ag (silver), Cu (copper), FE (iron), SN (tin), Pb (lead), Sb (antimony), and Hg (mercury).
