1 Mixtures 2 Separating Components of Mixtures 3 An Industrial Separation Process – Froth Flotation 4 Gravimetric Analysis of Mixtures 5 Compounds 6 Boiling and Electrolysis – Physical and Chemical Changes 7 Elements – Metals, Non-metals and Semi-metals 8 Physical and Chemical Properties 9 Atoms 10 Ions 11 Molecules 12 Kinetic Particle Theory 13 Decomposition 14 Synthesis 15 Combining Power (Valency) 16 Writing Formulas 17 Writing Equations 18 Metals and Metallic Bonds 19 Ionic Bonds and Ionic Compounds 20 Covalent Bonds in Elements and Compounds 21 Bonding and Physical Properties 22 Models and their Limitations 23 Overview of The Chemical Earth