GCSE Chemistry Topic 1: Atoms, Elements and Mixtures (One-Page Sheet)

Part of All of GCSE Chemistry on 11 Sheets, the free examiner-made series. Made by Fiaraz Iqbal, Former Headteacher & Examiner. Works for AQA, Edexcel and OCR.

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← Annotated Periodic TableTopic 2: Bonding, Structure and Properties →

Frequently asked questions

What is an isotope in GCSE Chemistry?

Isotopes are atoms of the same element with the same number of protons but different numbers of neutrons.

How do you separate a mixture?

Use filtration, crystallisation, simple or fractional distillation, or chromatography, depending on the substances.

The rest of the series

Annotated Periodic TableGroups, ions, reactivity, formulae and Mr in one annotated table.Topic 2: Bonding, Structure and PropertiesIonic, covalent and metallic bonding and how structure explains properties.Topic 3: Quantitative ChemistryMoles, Mr, yield, atom economy and concentration calculations.Topic 4: Chemical ChangesReactivity series, acids, salts, pH and electrolysis.Topic 5: Energy ChangesExo/endothermic reactions, reaction profiles, bond energies and cells.Topic 6: Rates and EquilibriumCollision theory, catalysts, reversible reactions and equilibrium.Topic 7: Organic ChemistryCrude oil, alkanes, alkenes, alcohols, acids and polymers.Topic 8: Chemical AnalysisPurity, chromatography, gas tests and ion tests.Topic 9: Chemistry of the AtmosphereAtmosphere evolution, greenhouse effect and pollutants.Topic 10: Using ResourcesPotable water, LCA, recycling, alloys, Haber process and fertilisers.

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