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IGCSE Chemistry: Complete Revision Bank

Unit 2: Atoms, Elements & Compounds

2.7 Metallic bonding

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30. Define "metallic bonding."
The electrostatic attraction between positive ions in a giant metallic lattice and a ‘sea’ of delocalised electrons. [cite: 1]
31. Explain why metals are malleable and ductile.
The layers of positive ions can slide over each other without breaking the metallic bond because the delocalised electrons maintain the attraction. [cite: 1]