Chemistry past papers › 9701/23/O/N/25

9701/23/O/N/25 Question 1

Chemistry October/November 2025 Paper 23 · 20 marks · Particles in the atom and atomic radius, Isotopes, Relative masses of atoms and molecules, Mass spectrometry, Electrons, energy levels and atomic orbitals, Oxidation and reduction, Oxidation numbers, Balancing redox equations, Intermolecular forces, Dynamic equilibrium, Le Chatelier's principle, Period 3 chlorides with water

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Question 2

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