Chemistry · IGCSE · Edexcel · Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1 · Specification point · 1.22 · Principles of chemistry: Part 1 · The Periodic Table
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| Learners should: |
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1.22 understand how the electronic configuration of a main group element is related to its position in the Periodic Table |