Chemistry

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Across
  1. 2. +ve, -ve, neutral
  2. 4. the travelling of particles
  3. 6. Subatomic particles used in reactions
  4. 7. amount of matter in an object
  5. 8. Subatomic particle with relative mass of 1
  6. 11. process of separating two liquids
  7. 12. Subatomic particle with neutral charge
  8. 16. movement of particles from higher to lower concentrations
  9. 17. boiling point increases with ____
  10. 19. Chemical combination of two or more elements
Down
  1. 1. Atoms of ___ have the same no. of protons
  2. 3. loosely packed molecules in this state
  3. 5. what matter is made up of
  4. 9. sound travels fastest through this state
  5. 10. moderate intermolecular space
  6. 12. Mass No.
  7. 13. Particles inside it make atomic mass
  8. 14. solid to gas conversion
  9. 15. Reacted atoms
  10. 18. motion in which gas particles move