Iron (III) oxide, also known as ferric oxide, is a compound made up of two iron atoms bonded with three oxygen atoms. Its chemical formula is Fe2O3 and it occurs naturally as rust.
Related terms
Rusting: The process of iron or steel reacting with oxygen in the presence of moisture, resulting in the formation of iron (III) oxide.
Transition Metal: A group of elements that are characterized by their ability to form multiple oxidation states, such as iron.
Corrosion: The gradual destruction of a material due to chemical reactions with its environment.