Chemistry A-Level
lone pairs closing bond angles
What lone pairs closing bond angles means in Chemistry A-Level, as defined for AQA.
Definition of lone pairs closing bond angles
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Reference: AQA
Each lone pair squeezes the remaining bond angles by roughly 2.5°, because a lone pair is held by one nucleus only and so spreads closer to the central atom.
Topics that use lone pairs closing bond angles
- Shapes of simple molecules and ions (AQA A-Level)
Related terms
- Electron pair repulsion
- minimising repulsion
- order of repulsion strengths
- adjusting for charge
- angles in ions
- base bond angles
- bonding pairs
- charge clouds
Using lone pairs closing bond angles in the exam
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