The particles in a gas have more space between them because

They are more spread out.

Explanation:

The atoms and molecules in gases are much more spread out than in solids or liquids. They vibrate and move freely at high speeds. A gas will fill any container, but if the container is not sealed, the gas will escape. Gas can be compressed much more easily than a liquid or solid.

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answer; the numbers of valence electrons in the acetic acid molecule (ch3co2h) is 24;