MCQ Class 11 Chemistry Chapter 2 Structure Of Atom

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MCQ’s For All Chapters – Chemistry Class 11th

1. Who proposed the atomic theory of matter on a firm scientific basis in 1808?

Question 1 of 20

2. The Greek word “a-tomio” means:

Question 2 of 20

3. Cathode rays move from:

Question 3 of 20

4. Cathode rays are deflected in electric and magnetic fields as expected for:

Question 4 of 20

5. The characteristics of cathode rays do not depend upon:

Question 5 of 20

6. Who measured the charge-to-mass ratio of the electron?

Question 6 of 20

7. The value of e/me determined by Thomson was approximately:

Question 7 of 20

8. The charge on an electron determined by Millikan is:

Question 8 of 20

9. Millikan determined the charge of the electron using the:

Question 9 of 20

10. Canal rays consist of:

Question 10 of 20

11. The proton was obtained as the smallest and lightest positive ion from:

Question 11 of 20

12. The neutron was discovered by Chadwick in:

Question 12 of 20

13. Chadwick used which material in his experiment to discover the neutron?

Question 13 of 20

14. According to Thomson’s model, positive charge was:

Question 14 of 20

15. Thomson’s atomic model is also known as the:

Question 15 of 20

16. In Rutherford’s experiment, most alpha particles:

Question 16 of 20

17. Approximately how many alpha particles bounced back in Rutherford’s experiment?

Question 17 of 20

18. Rutherford concluded that most of the atom is:

Question 18 of 20

19. The positive charge of an atom is concentrated in the:

Question 19 of 20

20. The approximate radius of an atom is:

Question 20 of 20


 

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