Chemistry GCSE
Spectator ions
What Spectator ions means in Chemistry GCSE, as defined for AQA.
Definitions of Spectator ions
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Reference: AQA
Ions that appear unchanged on both sides of a full equation and are cancelled so that only the reacting species are written.
Ions that remain in solution and do not change during the reaction, while H⁺ and OH⁻ combine to make water.
Topics that use Spectator ions
- Atoms, elements and compounds (AQA GCSE)
- The pH scale and neutralisation (AQA GCSE)
Related terms
- Acidic solution
- Alkaline properties and pH
- Alkaline solution
- Balanced chemical equation
- Balanced equation
- Chemical change
- Chemical symbol
- Decomposition reactions
Using Spectator ions in the exam
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