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H1 Chemistry

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A-Level 8873, revised syllabus (2026-2027)

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Use particles, orbitals and ionisation data to explain the behaviour of atoms and ions.

3 topics

Explain particles, molecular shape and material properties through electrostatic attraction.

3 topics

Follow protons, calculate strong-solution pH and explain how buffers respond to change.

3 topics

Use electron arrangements and structure to explain trends, reactions and unknown elements.

3 topics

Turn mass, gas and solution evidence into amounts, formulae and balanced chemical relationships.

3 topics

Read reaction energy, measure heat and use supplied cycles without losing signs or stoichiometric factors.

3 topics

Infer a rate law from evidence and explain how concentration, temperature and catalysts change reaction speed.

3 topics

Explain a changing equilibrium, calculate its composition and connect the Haber process to rate and yield.

3 topics

Read organic structures, predict reactions and explain why a protein or plastic behaves as it does.

12 topics

Read unfamiliar evidence, make useful measurements and explain what a result can support.

3 topics