Atom History

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Across
  1. 2. Who confirmed the existence of the nucleus?
  2. 4. A subatomic particle with a positive electrical charge
  3. 7. Who developed the foundations of modern quantum mechanics?
  4. 10. Who had the "Plum Pudding Model"
  5. 12. This man had the experiment called "Gold Foil Experiment"
  6. 14. Dalton had the what model?
  7. 15. What can contain multiple atoms bonded together?
  8. 17. Schrodinger had the what model?
  9. 18. Thomson discovered what?
  10. 19. Democritus coined what term?
  11. 20. Rutherford had the what model?
Down
  1. 1. Who discovered that electrons revolve around a nucleus, but only in certain orbits?
  2. 3. Who built on Democritus' theory with a more detailed atomic theory?
  3. 5. One of the three subatomic particles that make up an atom
  4. 6. Schrodinger developed what to describe electron motion?
  5. 8. Goldstein discovered what aided in the discovery of protons?
  6. 9. Atoms mostly consist of what?
  7. 11. Rutherford discovered the what?
  8. 13. Bohr had the what model?
  9. 16. What experiment did Thomson conduct?