Chemistry · IGCSE · Edexcel · Pearson Edexcel International GCSE (9–1) Chemistry (Linear) — 4CH1 · Specification point · 2.4C · Inorganic chemistry · Group 1 (alkali metals) – lithium, sodium and potassium
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| Students should: |
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2.4C explain the trend in reactivity in Group 1 in terms of electronic configurations |