CH-577
States of matter
Chemistry · Secondary 3 · Medium · States of matter
A sample of nitrogen dioxide gas is cooled until it becomes a yellow liquid. In terms of the kinetic particle theory, which statement best explains this change?
- Particles become larger and move faster, so they stay far apart.
- Particles lose energy, move more slowly and come closer together.
- Particles gain energy and become regularly arranged in fixed positions.
- Particles lose energy but remain far apart and move randomly.
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