Definition, Meaning & Synonyms
oxyanion
Noun
/ˌɒk.siˈæn.jən/
Definition
An oxyanion is a negatively charged ion (anion) that contains one or more oxygen atoms covalently bonded to another element.
Examples
- The sulfate ion (SO42−) is an example of an oxyanion.
- In aqueous solutions, oxyanions can interact with cations to form complex structures.
- Many oxyanions are important in biological systems, such as phosphate ions (PO43−) in DNA.
Meaning
Oxyanions typically form when an element, usually a nonmetal, bonds with oxygen in a way that the overall charge of the compound is negative. These ions play vital roles in various chemical reactions and are found in many compounds, including acids and salts.
Synonyms
- Oxygen ion
- Oxygen-containing anion
