Chemistry · IGCSE · Edexcel · Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1 · Specification point · 6.5 · Inorganic chemistry: Part 2 · Group 7 (halogens) – chlorine, bromine and iodine
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| Learners should: |
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6.5 know the colours, physical states (at room temperature) and trends in physical properties of these elements |