J.J. Thomson's Atomic Model

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Across
  1. 4. Thomson discovered the first ____ particle
  2. 8. Contributed in the discovery of___
  3. 10. The ____ Ray Tube
  4. 11. The negatively charged particles in the cathode ray
  5. 12. Electrons represented these in Thomson's model
  6. 13. Thomson worked in the ____ laboratory
  7. 15. A beam of particles
Down
  1. 1. The mass to charge ____ of electrons is one of their distinct qualities
  2. 2. Thomson student who opposed his atomic model
  3. 3. Thomson replaced this scientist's atomic model
  4. 5. Proved that ____ were not the smallest indivisible particles
  5. 6. Electrical plates on either side of the tube had a ___ and negative charge
  6. 7. The Plum ____ Model
  7. 9. Won Nobel Prize in ___ in 1906
  8. 10. Original name of the electron
  9. 14. Cathode, anode