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