UNIT 2
Properties and Atomic Structure

LESSON 4
Thermal Energy and Kinetic Molecular Theory

Thermal Energy and Kinetic Molecular Theory Quick Check

When thermal energy is removed from particles, what action occurs?

A. The particles' kinetic energy decreases.
B. The particles' temperature increases.
C. The particles' energy is destroyed.
D. The particles move more quickly.



Answer :

Final answer:

When thermal energy is removed, particles' kinetic energy decreases.


Explanation:

When thermal energy is removed from particles, what action occurs?

  1. The particles' kinetic energy decreases.

Thermal energy is the kinetic energy associated with the random motion of atoms and molecules. Removing thermal energy means reducing the average kinetic energy of the particles, resulting in a decrease in their movement.


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