Which type of movement is shown by the atoms of the solid?
Correct answer: B. Vibrational motion
- A. Translational motion
- B. Vibrational motion
- C. Rotational motion
- D. Linear motion
Explanation
The correct option is B. Solid has a fixed shape and a fixed volume because the particles can move only a little. The particles vibrate back and forth but remain in their fixed positions. As a solid is heated, the particles vibrate faster and faster until they have enough energy to break away from their fixed positions.
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About Crystalline Solids
Crystalline solids contain particles arranged in a regular repeating lattice described by a unit cell. Their study includes coordination number, packing efficiency, density, anisotropy, cleavage, polymorphism and common crystal systems, along with ionic, molecular, covalent network and metallic crystals. Crystalline order differs from the random arrangement of amorphous solids.
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Which of the following statements is incorrect about amorphous solids?
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