Chemistry 0620 · IGCSE · Solids, liquids and gases

Solids, liquids and gases — practice question

The particle arrangements in solids, liquids and gases are not the same. Which statement about the molecules in ice, water or steam is correct?

  • AThe $\text{H}_2\text{O}$ molecules are on average closest together in steam.
  • BThe $\text{H}_2\text{O}$ molecules are on average furthest apart in water.
  • CThe $\text{H}_2\text{O}$ molecules in steam have the second highest average velocity.
  • DThe $\text{H}_2\text{O}$ molecules in ice are able to vibrate.

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