GCSE Chemistry
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.
Core Themes Across AQA & Edexcel
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Structure of atoms, elements, and isotopes
Development and layout of the periodic table
Group trends and reactivity patterns
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Ionic, covalent, and metallic bonding
Properties of materials based on bonding
Giant structures, polymers, and nanomaterials
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Relative formula mass, moles, and concentration
Balancing equations and calculating yields
Atom economy and gas volumes
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Reactivity series and displacement reactions
Acids, bases, and salt preparation
Electrolysis and extraction of metals
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Exothermic and endothermic reactions
Reaction profiles and bond energy calculations
Fuel cells and batteries
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Factors affecting reaction rates
Collision theory and catalysts
Reversible reactions and dynamic equilibrium
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Hydrocarbons: alkanes, alkenes, and alcohols
Cracking and combustion
Polymers and synthetic materials
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Purity, formulations, and chromatography
Tests for gases, ions, and flame tests
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Evolution of Earth’s atmosphere
Greenhouse gases and climate change
Air pollution and environmental impact
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Planning and conducting experiments
Interpreting data and drawing conclusions
Applying maths in chemistry (ratios, percentages, graphs)