Electrons in Atoms - Electronic Structure, Atomic Orbitals, Electronic Configurations, Atomic and Ionic Radii, Ionisation Energies Atoms, Molecules, and Stoichiometry - Atomic Masses, Hydrated and Anhydrous Compounds, Mole Calculations, Chemical Formulae, Solutions and Concentration, Gas Volume Calculations Chemical Bonding and States of Matter - Ionic, Covalent, and Metallic Bonding, Molecular Shapes, Intermolecular Forces, Hydrogen Bonding, States of Matter, Fullerenes Thermodynamics and Redox Reactions - Enthalpy Changes, Hess’s Law, Bond Energies, Oxidation Numbers, Reducing and Oxidising Agents, Balancing Redox Equations Equilibria and Reaction Rates - Equilibrium Constants, Reversible Reactions, Chemical Industry Applications, Acid-Base Equilibria, Rate of Reaction, Effect of Concentration and Temperature, Catalysis Periodicity and Group 2 Elements - Periodic Table Structure, Physical and Chemical Periodicity, Oxides and Chlorides of Period 3 Elements, Reactions and Properties of Group 2 Elements