5.10 - The periodic table
	5.11 - The structure of the periodic table
	5.12 - Electronic configuration, valency and formula
5.20 - Physical properties of the elements
	5.21 - Atomic radius
	5.22 - Ionic radius
	5.23 - Ionisation energy and electron affinity
	5.24 - Electronegativity
	5.25 - Structure and melting point
	5.26 - Period 3 chlorides and oxides
5.30 - Chemical properties of the elements
	5.31 - Group properties
	5.32 - The alkali metals
	5.33 - The halogens
	5.34 - The period 3 oxides
	5.35 - The period 3 chlorides
5.40 - The 'd' block elements - HL
	5.41 - Characteristic properties
	5.42 - Complex ions
	5.43 - Variable oxidation state
	5.44 - Magnetism
	5.45 - Coloured compounds
	5.46 - Catalytic behaviour