Matter

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Across
  1. 2. the action or process of liquefying due to heat.
  2. 4. consists of a gas of ions
  3. 6. property of matter where atoms are the closest
  4. 7. Anything that has mass and takes up space
  5. 8. property of matter where atoms are far apart
  6. 9. the solid state of water
Down
  1. 1. the conversion of a vapor or gas to a liquid.
  2. 3. property of matter where atoms are close
  3. 5. the basic unit of a chemical element