The exam assesses advanced chemistry concepts, focusing on atomic structure, bonding, reaction rates, electrolysis, and chemical calculations. Key topics include isotopes, intermolecular forces, periodic trends, reactivity series, energy changes in reactions, and equilibrium. Practical applications involve calculating molar concentrations, atom economy, and energy changes, analyzing electrolysis products, and interpreting reaction profiles. Emphasis is placed on sustainability, environmental impacts, and industrial processes like the Haber process, metal extraction, and titration. Keywords: GCSE Chemistry, atomic structure, bonding, reaction rates, electrolysis, equilibrium, periodic trends, sustainability, chemical calculations, industrial processes.