Chemistry

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Across
  1. 2. An alkali we use to brush our teeth
  2. 4. a state of matter that can flow
  3. 7. liquid with the chemical formula H2O
  4. 10. table where the elements are found
  5. 11. substance made up of the same type of atom
  6. 12. used to measure pH
  7. 13. a gas we breathe in
Down
  1. 1. When something changes from a liquid to gas
  2. 3. technique used to separate a solid from liquid
  3. 5. a common metal with the symbol Fe
  4. 6. equipment used to hold filter paper
  5. 8. Substance with a pH of less than 7
  6. 9. a state of matter that does not move