Chemistry A-Level
ammonium ion
What ammonium ion means in Chemistry A-Level, as defined for OCR.
Definition of ammonium ion
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Reference: OCR
The ammonium ion is NH₄⁺, a positive ion made of nitrogen and hydrogen.
Topics that use ammonium ion
- Compounds, formulae and equations (OCR A-Level)
Related terms
- Balanced chemical equations
- ionic equations
- Spectator ions
- State symbols
- carbonate ion
- Charges on common ions and polyatomic ions
- Distinguishing metals from non-metals
- Electrical neutrality of ionic compounds
Using ammonium ion in the exam
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