What would happen to a substance at the theoretical temperature of 0 K?
A) The substance would turn from liquid to solid.
B) The substance's particles would stop moving.
C) The substance would turn from solid to gas.
D) The substance's particles would accelerate.
B) The substance's particles would stop moving.
At 0 K, also known as absolute zero, the particles of a substance would have no kinetic energy and would cease all movement. This is a theoretical temperature that cannot be reached in reality.