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The Atomic Theory
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The Atomic Theory
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25 Questions

1. Niels Bohr Proposed that __________________ can jump between _____________ _________ by losing and gaining _____________.

2. Ernest Rutherford Proposed? (4) The ____________________ circle around the nucleus

3. J.J Thomson Proved? (2) Produced the _____________________ charged particles.

4. John Dalton Proposed? (1) All mater is made of ___________?

5. J.J Thomson Proposed? (4) Every negatively charged particle there is a _________________ charged one

6. The Quantum Mechanical Model: Electrons exist around the nucleus at ___________ energy levels (__________)

7. John Dalton Proposed? (4) Atoms of different elements can _______________ to form new _________________.

8. In India, Kanada ( A Hindu Sage, 200 B.C) proposed that the world was made of ________?

9. What are atoms?

10. In New Zealand Ernest Rutherford (1871-1937) Conducted the _______ _______ Experiment

11. In Greece, philosophers believed the basic form of all matter were four__________?_

12. In England, J.J Thomson was a ? (1856-1940)

13. J.J Thomson Proposed? (3) The Plum _________________ ____________

14. Example of compounds?

15. All matter is made up of____________, more basic _____________.

16. Ernest Rutherford Proposed? (3) Protons are found in the ____________?

17. Niels Bohr Proposed that Each __________ has a certain _________________ associated with it

18. Ernest Rutherford Suggested? (5) Most of the ___________ was in the nucleus, while the ____________________ took up most of the ________________.

19. In Denmark Niels Bohr Proposed that (1) The electrons are found around the ________________ at specific ______________ ___________ (shells)

20. John Dalton Proposed? (2) All atoms in an _____________ are identical in ________ and _______?

21. ___________________________ also created a series of symbols for the elements.

22. J.J Thomson Proposed and Proved? (1) Atoms contain ___________________?

23. The energy level clouds represent, not a ----------------------------?

24. Ernest Rutherford Discovered? (2) The Center of the __________

25. Ernest Rutherford Proposed? (1) Something ______ and ____________________ charged in the center of the atom

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