Chemistry (Combined Science) · IGCSE · Edexcel · Pearson Edexcel International GCSE Science (Double Award) — Chemistry (Linear) — 4SD0 · Specification point · 2.2 · Inorganic chemistry · Group 1 (alkali metals) – lithium, sodium and potassium
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| Students should: |
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2.2 understand how the differences between the reactions of these elements with air and water provide evidence for the trend in reactivity in Group 1 |