the history of the atom and the periodic table
Across
- 4. the last name of the person that discovered the electron
- 6. the chemist that found out that atoms cannot be divided
- 9. the meaning of the atom
- 10. the first name of the person who discovered protons
Down
- 1. the greek philosopher that developed theory of atoms
- 2. last name of the person who rearranged the periodic table
- 3. the person who discovered the neutron
- 5. the name of energetic particle fired at foil by Rutherford
- 7. atomic**** what mendeleev arranged the periodic table by
- 8. dalton's first name