Change of temperature affects the separation and the forces between the constituent particlesof the substances.(true or false)

Assessment of the Statement

1. Understanding the Statement: The statement suggests that a change in temperature influences how the particles in substances are separated and the forces acting between them.

2. Scientific Concepts:

   • Temperature is a measure of the average kinetic energy of particles in a substance. As temperature increases, particles move faster, which can lead to changes in the separation between them.
   • The forces in question include intermolecular forces (such as hydrogen bonds, van der Waals forces, and ionic/covalent bonds), which can weaken or strengthen depending on thermal energy.

3. Analysis:

   • When a substance is heated, the increase in kinetic energy can cause particles to move further apart and overcome certain intermolecular forces. For example, in heating a solid, it may transition into a liquid (melting), where particles are less tightly bound and more mobile.
   • Conversely, lowering the temperature generally reduces the kinetic energy of particles leading them to come closer and potentially strengthen the intermolecular forces, thus transitioning from a gas to a liquid and from a liquid to a solid.

Conclusion

Based on these concepts and processes, the statement is True: Change in temperature does affect the separation and the forces between the constituent particles of substances.