Essential Chemistry for IGCSE - Particles And Purification (Section 8 - No. 44)
Which of the following best describes the arrangement of particles in a solid?
Randomly arranged, far apart, and moving rapidly.
Closely packed, in a regular pattern, and vibrating in fixed positions.
Randomly arranged, close together, and sliding past each other.
Widely spaced, with no particular order, and colliding frequently.
Explanation
In solids, particles are closely packed in a regular pattern and vibrate around fixed positions.
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