Chemistry · IGCSE · Edexcel · Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1 · Specification point · 6.7 · Inorganic chemistry: Part 2 · Group 7 (halogens) – chlorine, bromine and iodine
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| Learners should: |
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6.7 understand how displacement reactions involving halogens and halides provide evidence for the trend in reactivity in Group 7 |