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What is the necessary condition for the ...

What is the necessary condition for the existence of solids?

A

Intermolecular forces should be weaker than thermal energy

B

Intermolecular forces should be stronger than thermal energy

C

Intermolecular forces should be equal to the thermal energy

D

No definite relationship between them

Text Solution

AI Generated Solution

The correct Answer is:
To determine the necessary condition for the existence of solids, we need to analyze the relationship between intermolecular forces and thermal energy. ### Step-by-Step Solution: 1. **Understanding Intermolecular Forces**: - Intermolecular forces are the forces of attraction or repulsion between molecules. They play a crucial role in determining the physical state of a substance (solid, liquid, or gas). 2. **Understanding Thermal Energy**: - Thermal energy is the energy that comes from the temperature of a substance. It is a measure of the kinetic energy of the particles in a substance. Higher thermal energy means that the particles move more vigorously. 3. **Condition for Solids**: - For a substance to exist as a solid, the intermolecular forces must be strong enough to hold the particles closely together despite the thermal energy that tends to make them move apart. - Therefore, the necessary condition for the existence of solids is that the **intermolecular forces must be stronger than the thermal energy** acting on the particles. 4. **Conclusion**: - In summary, the necessary condition for the existence of solids is that the intermolecular forces must be greater than the thermal energy of the particles. ### Final Answer: The necessary condition for the existence of solids is that the intermolecular forces must be stronger than the thermal energy. ---
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