Periodic Crossword - Arianna Montoya

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Across
  1. 2. the basic unit of a chemical element
  2. 5. a substance or matter in a state in which it will expand freely
  3. 6. an instrument for measuring the density of liquid
  4. 7. an instrument for measuring and indicating temperature
  5. 9. a charge of negative electricity
  6. 14. any chemical compound formed from the reaction of an acid
  7. 15. a soft silvery-white reactive metal
  8. 17. a subatomic particle of about the same mass as a proton but without an electric charge
  9. 18. to measure weight
  10. 19. the chemical element of atomic number 29
Down
  1. 1. close-fitting eyeglasses with side shields
  2. 3. an optical instrument used for viewing very small objects
  3. 4. a charge of positive electricity
  4. 8. more than one hundred substances that cannot be chemically interconverted or broken down into simpler substances
  5. 10. a thing that is composed of two or more separate element
  6. 11. a set of chemical symbols showing the elements present in a compoun
  7. 12. a lipped cylindrical glass container for laboratory use
  8. 13. a molecule or other entity that can donate a proton or accept an electron pair in reactions
  9. 16. the chemical element of atomic number 16
  10. 18. a liquid mixture