Answer
Hydrogen bonds are formed by a negative and positive attraction between a slightly positive hydrogen atom that is covalently bonded to a highly electronegative atom (such as Oxygen) and an unshared electron pair of a nearby atom.
Work Step by Step
Hydrogen bonds are formed by a negative and positive attraction between a slightly positive hydrogen atom that is covalently bonded to a highly electronegative atom (such as Oxygen) and an unshared electron pair of a nearby atom.