Small molecules and their forces
Small molecules and their forces

A small molecule is a discrete group of a small number of atoms joined by strong covalent bonds. A covalent bond is the strong electrostatic attraction between a shared pair of electrons and the nuclei of the bonded atoms.
Step-by-step lessons on AQA GCSE Chemistry 2.2.4 Properties of small molecules. Each one builds up to exam-style questions. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.