Chemistry College

Which of the following statements describes a solid?
A.) It is easily compressed
B.) Its particles are packed together tightly
C.) It takes the volume of its container
D.) It takes the shape of its container

Answers

Answer 1
B.) Its particles are packed together tightly. 
Answer 2

Answer: Option (B) is the correct answer.

Explanation:

In solids, molecules are held together by strong intermolecular forces of attraction. Hence, the molecules are much more closer to each other.

As a result, they are unable to move from their initial position and can only vibrate at their mean position.

Hence, a solid has definite shape and volume. Solids cannot be compressed.

Whereas in a liquid, particles are held by less strong intermolecular forces of attraction as compared to solids. Therefore, in a liquid molecules are able to slide past each other and thus, they can be slightly compressed.

Liquids do not have a fixed shape but they do have a fixed volume.

In gases, molecules are widely spread out as they are held by weak Vander waal forces. Hence, they do not have a fixed shape but they acquire the volume of container in which they are placed.

Thus, we can conclude that the statement its particles are packed together tightly, is correct.

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