Question

what is origin of interatomic forces​

Answer 1

Answer:

Van der Waals forcesEdit. The van der Waals forces arise from interaction between uncharged atoms or molecules, leading not only to such phenomena as the cohesion of condensed phases and physical absorption of gases, but also to a universal force of attraction between macroscopic bodies.

Answer 2

ᴀɴsᴡᴇʀ:

Intermolecular forces originate from interactions between charges, partial charges, and temporary charges on molecules.