Question

what is hydrogen bonding?

Answer 1

A hydrogen bond is an electrostatic attraction between two polar groups that occurs when a hydrogen (H) atom covalently bound to a highly electronegative atom such as nitrogen(N), oxygen (O), or fluorine (F) experiences the electrostatic field of another highly electronegative atom nearby.

Answer 2

hydrogen combine with other elements by losing , gaining or sharing of electrons is known hydrogen bonding.