Spectator ions
What Spectator ions means in Combined Science GCSE, as defined for AQA.
Definitions of Spectator ions
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Reference: AQA
Ions that remain unchanged in a chemical equation, such as the chloride ions in a metal-acid reaction.
Ions that appear unchanged in form, charge and state on both sides of the equation.
Ions that appear unchanged on both sides and are omitted from an ionic equation.
Topics that use Spectator ions
- Atoms, elements and compounds (AQA GCSE)
- Oxidation and reduction in terms of electrons (HT only) (AQA GCSE)
- Reactions of acids with metals (AQA GCSE)
Related terms
- Half equation
- Ionic equation
- Arrow
- Balancing
- Chemical reactions
- Chemical symbols and names
- Coefficients
- Compounds
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