Collisions and activation energy
Collisions and activation energy
A chemical reaction can happen only when reacting particles collide with each other. A reacting particle is an atom, ion or molecule that can take part in a chemical reaction.
Step-by-step lessons covering AQA GCSE Chemistry 5.1.2 Reaction profiles 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.