Chemistry is a category of physical science that deals with the structure, composition, and various properties of matter. Some topics which chemistry aims to cover include the formation of chemical bonds, properties of atoms, and the intermolecular forces responsible for giving matter its unique properties.

Achieving high scores on A-levels is important for UK students who wish to enter university. Institutions of higher learning use the results of these exams to decide if a student is prepared to study at their program.