What the reactivity series means
What the reactivity series means
The reactivity series lists metals from the most reactive at the top to the least reactive at the bottom. Reactivity measures how readily the atoms of a metal lose electrons to form positive ions called cations.
Step-by-step lessons on Edexcel GCSE Chemistry 5.1.1 The reactivity series of metals. 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.