0620/439 marks
2.2 Atomic structure and the Periodic Table, 2.3 Isotopes
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PAPER 4 · THEORY (EXTENDED)
0620/43 Oct/Nov 2025
1 hour 15 minutes · 80 marks · 6 questions
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0620/438 marks
2.6 Giant covalent structures, 2.4 Ions and ionic bonds, 2.5 Simple molecules and covalent bonds
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0620/4317 marks
9.6 Extraction of metals, 9.4 Reactivity series, 4.1 Electrolysis
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0620/4317 marks
6.3 Reversible reactions and equilibrium, 5.1 Exothermic and endothermic reactions, 2.5 Simple molecules and covalent bonds, 3.3 The mole and the Avogadro constant
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0620/4312 marks
7.3 Preparation of salts, 8.4 Transition elements
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0620/4317 marks
3.1 Formulae, 11.6 Alcohols, 11.7 Carboxylic acids, 11.8 Polymers
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