Contents: The Nature of Matter, Atoms, Molecules, Mole and Equations, The Electronic Structure of Atoms and the Periodic Table, The Electronic Theory of Valency and Radioactivity, States of Matter, The Gaseous State, The Liquid State, The Solid State, Energy and Chemistry, Chemical Reactions, Acids and Bases, Water, Surface and Colloid Chemistry, Introduction to Organic Chemistry, The Hydrocarbons, Organic Compounds Containing Oxygen, Organic Compounds Containing Nitrogen, Sulphur and Phosphorous, Fertilizers.