Question

what is intermolecular force of attraction in short

Answer 1

Intermolecular force. Intermolecular forces (IMF) are the forces which mediate interaction between molecules, including forces of attraction or repulsion which act between molecules and other types of neighboring particles, e.g., atoms or ions.

Answer 2

Intermolecular forces (IMF) are the force which mediate interaction between molecules including force of attraction or repulsion which act between molecules and other types of neighbouring particles.
ex- atoms and ions.