Chemistry A-Level
carbonate ion
What carbonate ion means in Chemistry A-Level, as defined for OCR.
Definition of carbonate ion
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Reference: OCR
The carbonate ion is CO₃²⁻, a negative ion whose charge must be included when writing its formula.
Topics that use carbonate ion
- Compounds, formulae and equations (OCR A-Level)
Related terms
- Balanced chemical equations
- ionic equations
- Spectator ions
- State symbols
- ammonium ion
- Charges on common ions and polyatomic ions
- Distinguishing metals from non-metals
- Electrical neutrality of ionic compounds
Using carbonate ion in the exam
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