MATTER

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Across
  1. 4. space between the molecules of matter
  2. 7. its gas molecule is madeup of 2 atoms
  3. 8. it can be compressed to small extent
  4. 10. it has mass and occupies space
  5. 12. Brownian motion is named after this scientist
  6. 13. its intermolecular force is very weak
Down
  1. 1. it is the random and haphazard motion of gases and liquids
  2. 2. it is reversable
  3. 3. expansion of matter
  4. 5. it has no motion
  5. 6. it is irreversable
  6. 9. it melts and turn into water
  7. 11. smallest unit of matter