Polyatomic ion — Science definition
Defined in 2 courses:
- A charged group of covalently bonded atoms that acts as a single unit, such as nitrate (NO₃⁻) or sulfate (SO₄²⁻). (Physical Science: Chemistry)
- A bonded group of atoms with an overall charge. (Physical Science: Chemistry)
Where it is taught
- Ionic Bonding — Bonding, Formulas & Molecular Structure, Physical Science: Chemistry, Grade 11
- Chemical Names, Formulas & Polyatomic Ions — Bonding, Formulas & Molecular Structure, Physical Science: Chemistry, Grade 11
In use
Preserve a polyatomic ion as a group and use parentheses when needed, as in Ca(NO₃)₂.
Ionic Bonding
A polyatomic ion is a bonded group with net charge that acts as a unit in many reactions.
Chemical Names, Formulas & Polyatomic Ions