Atomic Theory

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Across
  1. 5. first person to think about the existence of the atom
  2. 6. discovered the neutron
  3. 9. experiment that shot alpha particles at a piece of gold foil
  4. 10. first person to have experimental evidence to support his four postulates
  5. 11. conducted the cathode ray tube experiment and discovered the electron and used it to create the plum pudding model
Down
  1. 1. experiment that has a tube of inert gas and two charged plates
  2. 2. subatomic particle with no charge
  3. 3. discovered the proton
  4. 4. conducted the gold foil experiment and discovered the nucleus
  5. 7. positively charged subatomic particle
  6. 8. negatively charged subatomic particle