Ionic compounds and name order
Ionic compounds and name order
An ionic compound contains positive ions and negative ions. Its formula shows the smallest whole-number ratio of ions that gives no overall charge.
Step-by-step lessons on Edexcel GCSE Chemistry 2.3.2 Naming and deducing formulae of ionic compounds. 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.