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In solids, the particles move about...

In solids, the particles move about

A

other particles

B

their fixed position

C

independently

D

do not move

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The correct Answer is:
### Step-by-Step Solution: 1. **Understanding the Nature of Solids**: - Solids are one of the three primary states of matter (the others being liquids and gases). In solids, the particles (atoms or molecules) are closely packed together. 2. **Particle Arrangement in Solids**: - The particles in solids are arranged in a fixed and orderly manner. This arrangement results in very little space between the particles, making them tightly packed. 3. **Movement of Particles**: - Although the particles in solids are tightly packed, they are not completely stationary. They do have some movement. 4. **Type of Movement**: - The movement of particles in solids is primarily vibrational. This means that while the particles cannot move freely from their fixed positions, they can vibrate around those positions. 5. **Conclusion**: - Therefore, in solids, the particles move about their fixed positions by vibrating. They are always in motion, but this motion is limited to small vibrations rather than free movement. ### Final Answer: In solids, the particles move about their fixed positions by vibrating. ---
### Step-by-Step Solution: 1. **Understanding the Nature of Solids**: - Solids are one of the three primary states of matter (the others being liquids and gases). In solids, the particles (atoms or molecules) are closely packed together. 2. **Particle Arrangement in Solids**: - The particles in solids are arranged in a fixed and orderly manner. This arrangement results in very little space between the particles, making them tightly packed. ...
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