Chemistry · IGCSE · Edexcel · Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1 · Specification point · 5.21C · Principles of chemistry: Part 2 · Electrolysis
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| Learners should: |
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5.21C know that anion and cation are terms used to refer to negative and positive ions respectively |