Key term for Edexcel GCSE Chemistry, used in Group 0.
An ion that is present in a reaction mixture but does not undergo any chemical change or electron transfer.
Spectator ion appears in Edexcel GCSE Chemistry revision content for Groups in the Periodic Table, especially Group 0 and Suggested Practicals.
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Extracting Metals and Equilibria
Obtaining and Using Metals • Relative Reactivity of Metals
