Structure causes properties
Structure causes properties

A substance is classified by both what particles it contains and how those particles are arranged. The four main structure types are ionic, simple molecular, giant covalent and metallic.
Step-by-step lessons covering Edexcel GCSE Chemistry Types of substance 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.