The behaviour of gaseous matter; studying chemical reactions by using mass data; structure within the atom; chemical bonding 1 - ionic and covalent; chemical bonding 2 - "impure" bonds, metallic bonds and the influence of bonding on properties; intermolecular forces; oxidation and reduction theories; thermodynamics 1 - energy exchange with chemical systems; thermodynamics 2 - the direction of chemical change; organic 1 - hydrocarbons; organic 2 - molecules containing C=O bond; chemical kinetics; organic 4 - organic molecules which contain nitrogen; acids, bases and alkalis; electrochemistry; the s-block elements; the p-block elements; the d-block elements; answers to comprehension questions; examination questions. Appendices.