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