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2.5.5 Properties of metals and non-metals
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Metallic bonding

Metallic bonding

Diagram of positive metal ions in a sea of delocalised electrons and layers sliding during malleability

A metal is a giant lattice of positive metal ions surrounded by delocalised electrons. These electrons are free to move through the whole structure rather than being held between two particular atoms.

2.5.5 Properties of metals and non-metals Lesson

  1. GCSE
  2. /Chemistry
  3. /2.5.5 Properties of metals and non-metals

Step-by-step lessons on Edexcel GCSE Chemistry 2.5.5 Properties of metals and non-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.

Lessons