Chemistry · IGCSE · Edexcel · Pearson Edexcel International GCSE (9–1) Chemistry (Modular) — 4XCH1 · Specification point · 1.19 · Principles of chemistry: Part 1 · The Periodic Table
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| Learners should: |
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1.19 understand how to deduce the electronic configurations of the first 20 elements from their positions in the Periodic Table |