Final answer:
The correct answer is B: The balloon will collapse because the higher frequency of gas molecule collisions on the outside of the balloon implies a higher external pressure, which will compress the balloon. Option B is correct.
Step-by-step explanation:
If gas molecules outside the balloon collide into the balloon surface more frequently than gas molecules inside, the balloon will face higher pressure from the outside. This happens because pressure is a result of the force exerted by gas particles when they collide with surfaces.
If the external collisions are more frequent, it implies that the pressure outside the balloon is higher than the pressure inside. According to the principles of physics and the behavior of gases, if the pressure outside the balloon is higher, it will result in the balloon collapsing, not expanding.
The correct answer to the student's question is B: The balloon will collapse. This is rooted in our understanding that gases consist of tiny particles that are in constant motion and strike surfaces, exerting pressure. When the internal pressure of the balloon (caused by the gas particles inside) is lower than the external atmospheric pressure, the balloon is compressed by the greater external force.