Chemistry Crossword Puzzle

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Across
  1. 2. Used to weigh substances
  2. 5. Representation of a substance using symbols
  3. 7. Cl
  4. 9. Positively charged particle
  5. 10. S
  6. 12. Aqueous (liquid) mixture of substances
  7. 14. A test in the laboratory
  8. 17. Two or more elements joined together
  9. 19. Includes eyepiece, lens, and stage
  10. 21. Bunsen _______
  11. 22. Hand protection
  12. 23. Cu
Down
  1. 1. Cylindrical glass container
  2. 3. Negatively charged ion
  3. 4. Negatively charged particle
  4. 6. Eye protection
  5. 8. OH-
  6. 11. Combination of two or more atoms
  7. 13. Might be calibrated in Fahrenheit or Celsius
  8. 15. Has no net electric charge
  9. 16. Consists of a nucleus surrounded by an electron cloud
  10. 18. An atom or molecule with a net electrical charge
  11. 20. A substance that cannot be broken down by chemical means
  12. 22. Matter with no defined volume or shape
  13. 24. K