Iron (III) oxide

Definition

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.