1.2 Characteristics of gases

1.3 Diffusion

1.4 Atomic structure

1.5 Electronic configuration and valency

2.1 Solutions, colloids and suspensions

2.2 Filtration, distillation and chromatography

3.1 Structure of the periodic table

3.2 Metals and non-metals

3.3 Noble gases

4.1 Structure and bonding

4.2 Chemical formula

4.3 Properties of elements and compounds

4.4 Alloys

4.5 Periodic trends

4.6 Transition metals

5.1 Chemical reactions and the conservation of mass

5.2 Word and chemical equations

5.3 Balancing equations

5.4 The mole concept and chemical calculations

5.5 Acids and bases

5.6 Neutral solutions

5.7 Acid and base characteristics

5.8 pH, titrations and indicators

5.9 Formation of salts

5.10 Uses of salts

5.11 Reactivity series

5.12 Redox reactions

5.13 Corrosion

5.14 Extraction

5.15 Electrochemical cell

5.16 Endothermic and exothermic reactions

5.17 Energy changes in a reaction

5.18 Collision theory

5.19 Chemical reaction kinetics rates

5.20 Reversible reactions

6.1 Alkanes, alkenes, alcohols

6.2 Structural formulae – carboxylic acids and esters

7.1 Atmospheric composition

7.2 Emissions and environmental implications