Hydrogen bonding

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Hydrogen bonding is an intermolecular bond between a hydrogen attached to a electronegative atom (Fluorine, Oxygen or Nitrogen) and an electronegative atom on a separate molecule/ different location of the same molecule[1]. It occurs between bases in DNA and between polar water molecules. As a single bond it is weak, but when there are many hydrogen bonds together the collective strength is large.

References

  1. ↑ Britannica, ND, [cited: 04/12/17] Available from: https://www.britannica.com/science/hydrogen-bonding
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