Chemistry crossword

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Across
  1. 6. a mixture of two or more metals
  2. 7. a method to separate colors using solubility
  3. 10. a liquid that other substances will dissolve in
  4. 13. no more of the solute will dissolve in ... solution
  5. 14. mixed substances that are not chemically bonded
  6. 15. there are 118 of them
  7. 18. acid+alkali=
  8. 19. evenly spread caused by random movements
  9. 20. two or more atoms bonded together
  10. 21. rows in periodic table
Down
  1. 1. a substance that is dissolved
  2. 2. squash together
  3. 3. a new substance made in a reaction
  4. 4. gas ... is more when higher temperature
  5. 5. shorthand way of referring to an element
  6. 7. ... of mass the principle of solution
  7. 8. a tiny particle of matter
  8. 9. when gas is changing to liquid
  9. 11. motion that moves randomly caused by bumps
  10. 12. a substance that is made of only one type of atom
  11. 16. columns in periodic table
  12. 17. a substance that cant' dissolve