Giant metallic structure
Giant metallic structure

Most metals have a giant metallic structure: a regular arrangement containing a very large number of metal particles. Outer electrons become delocalised, so they are free to move throughout the whole structure.
Step-by-step lessons on AQA GCSE Chemistry 2.2.7 Properties of metals and alloys. 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.