The exam evaluates advanced chemistry concepts, focusing on atomic structure, bonding, reaction rates, electrolysis, equilibrium, and chemical calculations. Key topics include isotopes, periodic trends, ionic and covalent bonding, energy changes, reactivity series, and sustainability in industrial processes. Practical applications involve titration, analyzing reaction profiles, calculating molar concentrations, and balancing equations. Emphasis is placed on interpreting experimental data, evaluating environmental impacts, and understanding applications such as the Haber process, fuel cells, and extraction methods. Keywords: GCSE Chemistry, atomic structure, bonding, reaction rates, electrolysis, equilibrium, sustainability, chemical calculations, industrial processes, environmental impact.