AQA GCSE Trilogy Chemistry Paper 1 Higher November 2021 examiner report (8464/C/1H)
Examiner report
- Q1 - 8 marks - Isotopes and relative atomic mass, Subatomic particles, The development of the model of the atom, The periodic table
- Q2 - 12 marks - Making soluble salts, Reactions of acids, The pH scale and neutralisation, The three states of matter
- Q3 - 12 marks - Exothermic and endothermic reactions, Reaction profiles
- Q4 - 10 marks - Diamond, graphite, graphene and fullerenes, Properties of metals and alloys
- Q5 - 8 marks - Electrolysis of aqueous solutions, Half equations at electrodes
- Q6 - 12 marks - Amounts of substance in equations, Conservation of mass and balanced equations, Moles and amount of substance
- Q7 - 8 marks - Bond energy calculations, Reaction profiles
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