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Revision — Edexcel Chemistry (4CH1) — EC2 Excel

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Edexcel Chemistry (4CH1) — key learnings, examiner-sourced common mistakes, flashcards and practice questions, organised by the 4CH1 syllabus.

Section 1 · Principles of chemistry

1.1States of matterView →
1.8Elements, compounds, mixtures and separationView →
1.14Atomic structureView →
1.18The Periodic TableView →
1.25Chemical formulae and equationsView →
1.28Amount of substance: the mole, masses, concentration and gas volumeView →
1.37Ionic bondingView →
1.44Covalent bondingView →
1.52Metallic bondingView →
1.55ElectrolysisView →

Section 2 · Inorganic chemistry

2.1Group 1 (alkali metals)View →
2.5Group 7 (halogens)View →
2.9Gases in the atmosphereView →
2.15Reactivity seriesView →
2.22Extraction and uses of metalsView →

Section 3 · Physical chemistry

3.1EnergeticsView →
3.9Rates of reactionView →
3.17Reversible reactions and equilibriaView →

Section 4 · Organic chemistry

4.1Introduction to organic chemistryView →
4.7Crude oilView →
4.19AlkanesView →
4.23AlkenesView →
4.29AlcoholsView →

2.28Acids, alkalis and titrations

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2.34Acids, bases and salt preparationsView →

2.44Chemical testsView →

4.34Carboxylic acids

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4.38EstersView →

4.44Synthetic polymersView →