which-of-the-following-best-explains-the-presence-of-van-der-waals-forces-in-a-s

Question

Which of the following best explains the presence of van der Waals forces in a sample of helium gas?

Accepted Answer

Instantaneous dipoles due to electron movement.

Answer

Ionic interactions between helium atoms.

Answer

Permanent dipoles due to electronegativity differences.

Answer

Hydrogen bonding between helium atoms.