2.10 - Covalent bonding
	2.11 - Covalent bonding
	2.12 - Sharing electron pairs
	2.13 - Covalent bond characteristics
	2.14 - Macromolecules
	2.15 - Lewis structures
	2.16 - Formal charge
2.20 - Shapes of molecules
	2.21 - Valence shell electron pair repulsion theory
	2.22 - 2, 3 and 4 charge centre molecules
	2.23 - 5 & 6 charge centres
	2.24 - Resonance
	2.25 - Delocalisation
	2.26 - Hybridisation
	2.27 - Molecular orbital theory
	2.28 - Aromatic compounds
2.30 - Polarity
	2.31 - Bond polarity
	2.32 - Polar molecules
2.40 - Intermolecular forces
	2.41 - Dispersion forces
	2.42 - Permanent dipole - dipole interactions
	2.43 - Hydrogen bonding
2.50 - Metallic bonding
	2.51 - The metallic bond
	2.52 - Properties of metals
	2.53 - Alloys
2.60 - Ionic bonding
	2.61 - Ion formation
	2.62 - The ionic bond
	2.63 - Polyatomic ions
	2.64 - Crystal lattices
2.70 - Physical properties
	2.71 - Melting and boiling points
	2.72 - Electrical conductivity
	2.73 - Solubility
2.80 - From models to materials
	2.81 - The bonding continuum
	2.82 - Alloys
	2.83 - Polymers
	2.84 - Addition Polymers
	2.85 - Condensation Polymers