Atoms, elements and compounds
Atoms, elements and compounds

All substances are made from atoms. An atom is the smallest part of an element that can exist, and an element contains only one type of atom.
Step-by-step lessons covering AQA GCSE Chemistry 1.1.1 Atoms, elements and compounds for Foundation and Higher tier. Each lesson works through exam-style questions in Paper 1 and Paper 2 format. Nail the core quantitative topics — moles, balancing equations and calculations — early on, since they underpin higher-tier questions across every paper and topic.