3.1.3Physical chemistry
Bonding
Ionic, covalent and metallic bonding, shapes of molecules, electronegativity and polarity, and intermolecular forces.
- Year 1 (AS)
- 6 lessons
- Exam practice and flashcards
- LESSON 1Ionic Bonding
Dot-cross diagrams, properties of ionic substances, and the giant ionic lattice structure.
- LESSON 2Covalent Bonding
Single, double, and dative covalent bonds, and giant macromolecular structures.
- LESSON 3Metallic Bonding
Giant metallic lattice structure, factors affecting strength, and physical properties of metals.
- LESSON 4Shapes of Molecules (VSEPR)
Deducing electron pair geometries, bond angles, and molecular shapes using VSEPR theory.
- LESSON 5Electronegativity and Polarity
The Pauling scale, factors affecting electronegativity, polar bonds, and molecular polarity.
- LESSON 6Intermolecular Forces
London forces, dipole-dipole attractions, hydrogen bonding, and their effects on physical properties.