Multiple choice

Particle structure in solids are:

  1. molecules remain in the same relative positions.

  2. molecules vibrate quickly

  3. molecules slowly vibrating

  4. molecules are closely packed
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

In solids, particles are held in a fixed, orderly structure and vibrate about fixed positions. While they are closely packed, the defining characteristic of their motion is vibration.

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