Four statements about the arrangement of particles are given.
1 Particles are packed in a regular arrangement.
2 Particles are randomly arranged.
3 Particles move over each other.
4 Particles vibrate about fixed points.
Which statements describe the particles in a solid?
1 )
1 and 3
1 and 4
3 )
2 and 3
4 )
2 and 4
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