AQA GCSE Combined Science Trilogy · 8464
Specification 5.2.1.4 · Paper 3
Revise: Covalent Bonding and StructuresElectrons not used in bonding remain as lone pairs.
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GCSE Combined Science · key term
A pair of outer-shell electrons that is not shared in a covalent bond.
Used by AQA and Edexcel
Specification 5.2.1.4 · Paper 3
Revise: Covalent Bonding and StructuresElectrons not used in bonding remain as lone pairs.
Specification Covalent bonding · Paper 3, Paper 4
Revise: Covalent bondingElectrons that are not shared remain outside the overlap, usually arranged in pairs called lone pairs.
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