All around us

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Across
  1. 4. 2 or more atoms mixed together.
  2. 6. A solute dissolved into a solvent.
  3. 9. The positively charged part of an atom
  4. 13. The solid part of a solution.
  5. 14. An atom with a fixed number of protons.
  6. 15. To turn from a solid to a liquid.
  7. 17. To turn from a gas to liquid.
  8. 19. The state of matter with widely spaced particles.
Down
  1. 1. Atoms bonded with chemical bonds.
  2. 2. A list of all the known elements.
  3. 3. To turn from a liquid to a gas but added lots of heat energy.
  4. 5. The part of the atom with no charge.
  5. 7. To turn from a liquid to a gas using passive heat.
  6. 8. The negatively charged part of an atom
  7. 10. To turn from a liquid to a solid.
  8. 11. The liquid part of a solution.
  9. 12. The smallest unit of matter
  10. 16. The state of matter with close, but free particles.
  11. 18. The state of matter with close, well ordered particles.