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.
Groups in the Periodic Table
Group 0 • Suggested Practicals
Groups in the Periodic Table
Group 7 • Relative Reactivity of Halogens
Extracting Metals and Equilibria
Obtaining and Using Metals • Relative Reactivity of Metals
Chemical Changes
Electrolytic Processes • Oxidation and Reduction (Electrons)
Chemical Changes
Acids • Predicting Precipitates
Chemical Changes
Acids • Reactions of Acids
Formulae, Equations and Hazards
Formulae, Equations and Hazards • Ionic Equations
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