Question 1 • IA-Chemistry A Survey of Chemistry A
Freezing happens as liquid particles lose kinetic energy and move more slowly, allowing them to settle into fixed positions, so A is correct. When a liquid boils, its particles gain enough energy to overcome the attractive forces holding them close together, so C is correct. During sublimation, particle motion overcomes attractions; during condensation, gas particles slow down so existing attractions can pull them closer together. Neither process creates more attractive forces, so B and D are incorrect.
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