Collisions and activation energy
Collisions and activation energy
A chemical reaction can happen only when reacting particles collide. A reacting particle may be an atom, ion or molecule that can take part in the reaction.
Step-by-step lessons on AQA GCSE Chemistry 5.1.2 Reaction profiles. 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.