1. Formulae, Equations, and Amount of Substance - Atoms and molecules, reaction types, chemical equations, energy calculations, atom economy 2. Empirical and Molecular Formulae - Empirical formula, molecular formula, molar volume, solution concentrations, calculations in ppm 3. Atomic Structure and the Periodic Table - Atom structure and isotopes, mass spectrometry, atomic orbitals, electronic configurations, ionisation energy, periodic trends 4. Bonding and Structure - Ionic bonding, ion radii, ionic properties, covalent bonding, electronegativity, bond polarity, discrete and dative covalent bonds 5. Shapes of Molecules and Molecular Interactions - Molecular geometry, polarity, molecular interactions, physical properties of compounds