Chemistry Review

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Across
  1. 5. a one or two letter abbreviation of an element's name
  2. 9. charged atom
  3. 11. positively charged particles in an atom
  4. 13. scientists who create medicines
  5. 15. identified by the # of protons in the nucleus
  6. 17. a specific pattern that repeats made by atoms and molecules that are bound together
  7. 18. the point at which molecules separate into a liquid
Down
  1. 1. the particles left behind when plastic decomposes
  2. 2. the substances that combine in a chemical reaction
  3. 3. the solute that does not dissolve in a solution
  4. 4. the kind of bond that makes table salt
  5. 5. the sum of protons and neutrons in an element
  6. 6. when solutes break apart and distribute throughout a solution
  7. 7. the substance created from a chemical reaction
  8. 8. the insoluble part of a chemical reaction
  9. 10. region of an atom that contains positively charged particles
  10. 12. a natural substance used to make plastics
  11. 14. single unit of an element
  12. 16. nylon, polyester, ziplocks