Resistance to oxidation
Resistance to oxidation
Oxidation is the loss of electrons by a substance. When a metal reacts with oxygen in air to form a metal oxide, the metal has been oxidised.
Step-by-step lessons on Edexcel GCSE Chemistry 5.1.5 Resistance to oxidation and recycling 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.