Question

what is hydrogen bonding

Answer 1

Hi..........
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A hydrogen bond is a partially electrostatic attraction between a hydrogen which is bound to a more electronegative atom such as nitrogen, oxygen, or fluorine, and another adjacent atom bearing a lone pair of electrons.
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Answer 2

hydrogen bonding is a partially electrostatic attraction between a hydrogen which is bound to a more electronegative atoms such as Nitrogen, Oxygen or fluorine and another adjacent atom bearing a lone pair of electrons .