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2.2.4 Properties of small molecules
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Small molecules and their forces

Small molecules and their forces

Diagram comparing strong covalent bonds within molecules with weak intermolecular forces between molecules, and showing increasing molecular size from chlorine to bromine to iodine

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.

2.2.4 Properties of small molecules Lesson

  1. GCSE
  2. /Chemistry
  3. /2.2.4 Properties of small molecules

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.

Lessons