Chemistry Crossword

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Across
  1. 2. A molecule made up of atoms of only one element
  2. 5. A state of matter
  3. 6. A state of matter
  4. 7. Changing from a solid to a liquid
  5. 12. Name of an element that is also a shade of blue
  6. 13. Named after a scientist who was named Albert
  7. 15. Has a nucleus at its center
  8. 17. Element with the chemical symbol of Na
  9. 19. A gas often found in balloons
  10. 20. Element with the chemical symbol of Fe
Down
  1. 1. A metal that is a silvery-white colour
  2. 3. Element with the chemical symbol of Ti
  3. 4. A particle in an atom with a negative charge
  4. 8. Changing from a liquid to a gas
  5. 9. A particle in a nucleus with no charge
  6. 10. Element with the chemical symbol of C
  7. 11. A particle in an atom with a positive charge
  8. 14. Element often found in atomic bombs
  9. 16. A state of matter
  10. 18. Element that is the liquid found in thermometers