Chemistry GCSE
Spectator Ion
What Spectator Ion means in Chemistry GCSE, as defined for Pearson Edexcel.
Definition of Spectator Ion
An ion that exists as a reactant and a product in a chemical equation but does not undergo any chemical change.
Topics that use Spectator Ion
- Formulae, equations and hazards (Pearson Edexcel GCSE)
Related terms
Using Spectator Ion in the exam
Definition questions usually carry one or two marks, and examiners look for the precise wording. Write the definition from memory, check it against the version above, and then use the term in a longer answer on the same topic so it sticks.
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