CH-575
States of matter
Chemistry · Secondary 3 · Medium · States of matter
Solid iodine sublimes when heated gently. Which statement best explains this using kinetic particle theory?
- Particles gain energy and move far apart directly from fixed positions into the gas state.
- Particles lose energy and become more closely packed.
- Particles gain energy but remain fixed in their positions.
- Particles lose energy and move randomly as a gas.
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