GCSE Combined Science Chemistry revision for Edexcel Higher tier: free notes across 7 topics, each split into subtopics and lessons.
7 topics and 188 lessons for GCSE Edexcel Higher Combined Science Chemistry. Each topic lists its subtopics so you can go straight to the part you need.
7
Topics
188
Lessons
Revise Right Mocks '26
Edexcel GCSE Combined Science Chemistry mock draft, 26–31 Oct. Draft coverage: Combined Science Chemistry Paper 1 (Higher tier). Reviewed for an original-practice sitting; check student availability before registering. Marking and results will follow later, after separate approval. Eligible new accounts receive a five-day Pro trial when signup email verification completes. Previous trials keep their original expiry. After expiry, new papers need Pro unless you have an explicitly confirmed free sitting offer for this event. That offer adds no Pro time or AI learning. Saved attempts and released results remain readable. No card or automatic charge.
Every topic in this course, with the subtopics inside each one.
Topics and what they cover
Topic 1: Key concepts in chemistry: 57 lessons: A simple model of the atom, symbols, relative atomic mass, electronic charge and isotopes, Chemical bonds, ionic, covalent and metallic, Chemical measurements, conservation of mass and the quantitative interpretation of chemical equations, How bonding and structure are related to the properties of substances, The periodic table, Structure and bonding of carbon
Topic 2: States of matter and mixtures: 13 lessons: Purity, formulations and chromatography, States of matter and state changes, Using the Earth's resources and obtaining potable water
Topic 4: Extracting metals and equilibria: 33 lessons: Reactivity of metals, Using the Earth's resources and obtaining potable water, Life cycle assessment and recycling, Reversible reactions and dynamic equilibrium, Electrolysis, The Haber process and the use of NPK fertilisers (chemistry only)
Topic 8: Fuels and Earth science: 34 lessons: Carbon compounds as fuels and feedstock, The composition and evolution of the Earth's atmosphere, Using the Earth's resources and obtaining potable water, Carbon dioxide and methane as greenhouse gases, Common atmospheric pollutants and their sources
Other courses and past papers
Not your exam board or tier? The Combined Science Chemistry page lists every course we cover.
How do I know GCSE Edexcel Higher Combined Science Chemistry is my course?
Check the level, exam board and tier with your teacher, or look at the front of a past paper you have been given. Content differs between boards, so it is worth getting this right first.
Where should I start?
Start with the topic you find hardest, or the one your next test is on. Read a lesson, then close it and write down what you remember before moving on.