Intermolecular Force Posted on 1st December 20154th October 2020 by ThePD (The Project Definition) Intermolecular Force is the sum of all forces including forces of attraction or repulsion between neighbouring molecules. Click to share on Twitter (Opens in new window)Click to share on Facebook (Opens in new window)Click to share on LinkedIn (Opens in new window) Related Posted in Technology and tagged chemistry, science, technology. ThePD (The Project Definition) ThePD has been developing the Preferred Project Definitions based on the actual project execution and operation experiences and knowledge with the Project Language, and sharing with you daily basis.