science

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Across
  1. 2. a set of laws that are in chemistry
  2. 4. who made the electron cloud model
  3. 6. the modle that is most used
  4. 7. the smallest unit that makes every thing
  5. 8. the name of the element and how you
  6. 10. know for introducing the atomic theory into chemistry
  7. 12. helps you know what row it is
  8. 13. the outer most layer of
Down
  1. 1. it
  2. 3. know for discovered the electron and then went on to propose a model for the structure of the atom.
  3. 5. a table that has every know atom
  4. 9. a positlvy charged atom
  5. 11. a line in the periodic table