PPT Slide

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• A covalent bond is polar when it joins atoms of different EN  because the atoms share the electrons unequally.

• Molecules like HF with a charge imbalance have molecular polarity.

• Polar molecules orient in an electric field, with their partial charges  aligned (on average) with the oppositely charged electric plates.

Concept 10-9. How bond polarities and molecular shape combine to give a molecular polarity

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