AQA GCSE Chemistry Paper 1 Higher June 2025 examiner report (8462/1H)
Materials
Examiner report
- Q1 - 9 marks - Electronic structure, Group 0: the noble gases, Isotopes and relative atomic mass, Metals and non-metals, The periodic table
- Q2 - 11 marks - Diamond, graphite, graphene and fullerenes, Ionic bonding and ionic compounds, Properties of small molecules
- Q3 - 11 marks - Atom economy, Conservation of mass and balanced equations, Extraction of metals and reduction, Transition metals
- Q4 - 11 marks - Group 7: the halogens
- Q5 - 12 marks - Nanoparticles, The development of the model of the atom
- Q6 - 11 marks - Half equations at electrodes, Using electrolysis to extract metals
- Q7 - 11 marks - Bond energy calculations, Covalent bonding, Fuel cells
- Q8 - 13 marks - Concentration of solutions, Strong and weak acids, The pH scale and neutralisation, Titrations
- Q9 - 11 marks - Making soluble salts, Percentage yield
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