Amaris - Chemisrty

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Across
  1. 7. an chemical thing that changes
  2. 9. mass in an atom
  3. 10. substances intently present in a chemical reaction
  4. 12. a substance using symbols
  5. 13. they are used to describe matter
  6. 14. something that is composed of two or more things
  7. 15. measure of the amount in an object
  8. 18. a weak bond between two molecules
  9. 20. is a substance that atoms all have the same number of protons
Down
  1. 1. a scientist
  2. 2. bond any interactions with atoms
  3. 3. the process of something changing
  4. 4. species that are found in a chemical reaction
  5. 5. the basic unit of an element
  6. 6. a solid that becomes a liquid
  7. 8. substances that change
  8. 11. is identical wherever you sample it
  9. 16. he created the periodic table
  10. 17. mixture of two or more substances
  11. 19. a glass container used for measuring liquids