Which of the following is NOT an assumption of kinetic molecular theory?
A. The size of gaseous particles is negligible compared to the average distance between them.
B. Gas particles collide with one another and with the walls of their container in an elastic manner.
C. The motion of gas particles is characterized by random, spiraling movements along an arbitrary axis.
D. There is a negligible amount of intermolecular force of attraction existing between the particles of the gas.