SCIENCE 101

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Across
  1. 1. the dot diagram
  2. 3. substance observed to see change
  3. 6. Compound substance made of more than one kind of element
  4. 7. can be turned into wire
  5. 11. the sharing of electron pairs between atoms
  6. 13. kind of like a chemical reaction, but releases energy
  7. 14. theory of atomic structure
  8. 17. existing/taking place of molecules
  9. 19. an action performed
  10. 20. negative charged , used on the outside shell from the nucleus
  11. 21. negative charged ion
Down
  1. 2. formula used for chemical reaction
  2. 4. property of a solid, liquid, or gas
  3. 5. periodic table is made of many of them
  4. 8. positive charged ion
  5. 9. existing/ taking place within a molecule
  6. 10. attraction between two charged ions
  7. 12. visual appearance happens with this reaction
  8. 15. substance formed by energy
  9. 16. can be hammered or pressed into thin layers
  10. 18. vertical family from periodic table
  11. 22. a molecule that can gain or lose electrons