Solids

A

are rigid and have a definite form

B

possess molecules which vibrate very slowly in a ftxed position

C

possess molecules which are close together

D

have all of the above characteristics

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The correct Answer is:
To solve the question regarding the characteristics of solids, we will analyze each statement provided and determine if they are true or false based on our understanding of solid-state chemistry. ### Step-by-Step Solution: 1. **Analyze the First Statement**: - The first statement claims that solids are rigid and have a definite form. - **Explanation**: This is true. Solids have a fixed shape and volume because their particles are tightly packed together, which prevents them from changing shape easily. 2. **Analyze the Second Statement**: - The second statement states that solids possess molecules that vibrate very slowly in a fixed position. - **Explanation**: This is also true. In solids, the particles are held in fixed positions by strong intermolecular forces, allowing only limited vibrational motion around their equilibrium positions. 3. **Analyze the Third Statement**: - The third statement mentions that solids possess molecules which are close together. - **Explanation**: This is correct. The particles in solids are closely packed, which is a defining characteristic of solid materials. 4. **Analyze the Fourth Statement**: - The fourth statement claims that solids have all of the above characteristics. - **Explanation**: Since the first three statements are true, this statement is also true. 5. **Conclusion**: - Since all the statements regarding the characteristics of solids are correct, the answer to the question is that solids possess all of the above characteristics. ### Final Answer: The correct answer is that solids have all of the above characteristics. ---
To solve the question regarding the characteristics of solids, we will analyze each statement provided and determine if they are true or false based on our understanding of solid-state chemistry. ### Step-by-Step Solution: 1. **Analyze the First Statement**: - The first statement claims that solids are rigid and have a definite form. - **Explanation**: This is true. Solids have a fixed shape and volume because their particles are tightly packed together, which prevents them from changing shape easily. ...
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