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GCSE Chemistry

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Overview

GCSE Chemistry explores the building blocks of matter and the reactions that shape our world. Whether students are studying Combined Science or Triple Chemistry, the core themes across AQA and Edexcel remain consistent — with a strong emphasis on practical skills, problem-solving, and real-world applications.

GCSE Chemistry tutor teaching periodic table online UK

Core Themes Across AQA & Edexcel

    • Structure of atoms, elements, and isotopes

    • Development and layout of the periodic table

    • Group trends and reactivity patterns

    • Ionic, covalent, and metallic bonding

    • Properties of materials based on bonding

    • Giant structures, polymers, and nanomaterials

    • Relative formula mass, moles, and concentration

    • Balancing equations and calculating yields

    • Atom economy and gas volumes

    • Reactivity series and displacement reactions

    • Acids, bases, and salt preparation

    • Electrolysis and extraction of metals

    • Exothermic and endothermic reactions

    • Reaction profiles and bond energy calculations

    • Fuel cells and batteries

    • Factors affecting reaction rates

    • Collision theory and catalysts

    • Reversible reactions and dynamic equilibrium

    • Hydrocarbons: alkanes, alkenes, and alcohols

    • Cracking and combustion

    • Polymers and synthetic materials

    • Purity, formulations, and chromatography

    • Tests for gases, ions, and flame tests

    • Evolution of Earth’s atmosphere

    • Greenhouse gases and climate change

    • Air pollution and environmental impact

    • Planning and conducting experiments

    • Interpreting data and drawing conclusions

    • Applying maths in chemistry (ratios, percentages, graphs)

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