What does reactivity mean?
What does reactivity mean?
When a metal reacts, its atoms lose electrons and form positive ions. A metal is more reactive if its atoms form positive ions more readily.
Step-by-step lessons on AQA GCSE Chemistry 4.1.2 The reactivity series. 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.