When a Gas Such as Argon Condenses

When a gas such as argon condenses

A) atoms combine with one another to form chemical bonds.
B) atoms are attracted to one another due to electrical forces acting between electrons on one atom and protons of the other.
C) electrons of one atom repel those on another causing the gas to condense and form a liquid.
D) atoms are attracted to one another due to electrical forces acting between electrons on one atom and neutrons of the other.
E) atoms are attracted to one another due to electrical forces acting between neutrons on each of the atoms.