Final answer:
The correct statement is that in the gas state, molecules move around freely.
Step-by-step explanation:
The correct statement in this list is: In the gas state, molecules move around freely. In the gas state, the molecules are not closely packed together, and they have a lot of kinetic energy, allowing them to move freely and quickly in all directions. This is why gases have the ability to fill a container and expand to fill the available space.
Learn more about Gas state of matter