which substance has the weakest intermolecular forces between particles?\no table salt\no liquid water\no…

Brief Explanations:

Intermolecular forces are weakest in gases. Helium gas is a gas, while table - salt is an ionic solid, liquid water has hydrogen - bonding and other intermolecular forces, and copper is a metallic solid. Gases have the most spread - out particles and the weakest intermolecular attractions.

Answer:

helium gas