Across
- 2. electrons move in theses like light
- 6. the space outside the nucleus where the electrons are
- 7. center of the atom containing the protons and neutrons
- 9. neutral charged particles
- 13. makes up everything
- 14. creators of the modern theory
- 17. conducted the cathode ray tube experiment
- 18. disagreed with best guess in history
- 19. different for every element
Down
- 1. idea of a greek philosopher
- 3. basic building block
- 4. made the model that is a solid circle (billiard ball)
- 5. model named after a popular pudding
- 8. uncuttable
- 10. made the basic model; easy to understand
- 11. found the nucleus of the atom
- 12. positive charged particles
- 15. creator of best guess in history
- 16. negative charged particles