Structure 1. Models of the particulate nature of matter
Structure 2. Models of bonding and structure
S2.1 The ionic model
S2.2 The covalent model
S2.3 The metallic model
S2.4 From models to materials
Structure 3. Classification of matter
Reactivity 1. What drives chemical reactions?
Reactivity 2. How much, how fast and how far?
Reactivity 3. What are the mechanisms of chemical change?
View a summary cheatsheet for S2.2 The covalent model
S2.2.1 Formation of covalent bonds
S2.2.2 Single, double and triple bonds
S2.2.3 Coordination bonds
S2.2.4 VSEPR theory
S2.2.5 Bond polarity
S2.2.6 Molecular polarity
S2.2.7 Covalent network structures
S2.2.8 Intermolecular forces
S2.2.9 Intermolecular forces and physical properties
S2.2.10 Chromatography
S2.2.11 Resonance structures (Higher Level Only)
S2.2.12 Benzene (Higher Level only)
S2.2.13 Expanded Octet of Electrons (Higher Level Only)
S2.2.14 Formal Charge and Lewis Formulas (Higher Level Only)
S2.2.15 Sigma and Pi Bonds (Higher Level Only)
S2.2.16 Hybridization and Bonding (Higher Level Only)
