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The Importance of Hydrogen Bonding in Chemistry and Biology

  Hydrogen bonding is a type of chemical bond that occurs between or within molecules (Inter/intramolecular hydrogen bonding). It is a highly attractive interaction between a hydrogen atom that is covalently bonded to a highly electronegative atom (such as nitrogen, oxygen, or fluorine) and another electronegative atom. The hydrogen atom donates its electron pair to the electronegative atom, resulting in a positive charge on the hydrogen and a negative charge on the electronegative atom. This creates an electrostatic attraction between the hydrogen and electronegative atom, resulting in a hydrogen bond. Hydrogen bonds are much weaker than covalent bonds, but they are still significant and play a critical role in many biological and chemical processes. They are responsible for the stability of DNA and proteins, as well as the unique physical properties of water. In water, hydrogen bonds between water molecules create a highly cohesive liquid, with a high boiling point and surface