eVidyarthi

Model of An Atom Quizz

1. Which of the following scientist discovered neutrons?
 
 
 
 

Question 1 of 20

2. A glass rod gets electrically charged on rubbing with silk cloth. What’s the source of this charge?
 
 
 
 

Question 2 of 20

3. The proton has a charge equal in magnitude but opposite in sign to that of:
 
 
 
 

Question 3 of 20

4. What is the other name for anode rays?
 
 
 
 

Question 4 of 20

5. Which scientist discovered the anode rays?
 
 
 
 

Question 5 of 20

6. Which of the following gases do not have neutron in the nucleus of their atoms?
 
 
 
 

Question 6 of 20

7. Which of the following is not true for cathode rays?
 
 
 
 

Question 7 of 20

8. What will be the net charge on the atom if it contains one electron and one proton?
 
 
 
 

Question 8 of 20

9. According to J.J Thomson, an atom is a positively charged sphere. Which sub-atomic particles is embedded in it?
 
 
 
 

Question 9 of 20

10. The following picture represents which model of an atom?

download (5)
 
 
 
 

Question 10 of 20

11. The canal rays led to the discovery of which subatomic particle?
 
 
 
 

Question 11 of 20

12. Which of the following is not a part of J. J. Thomson’s atomic model?
 
 
 
 

Question 12 of 20

13. Select the sub-atomic particles that are present in the nucleus of an atom.

A. Electrons
B. Protons
C. Neutrons
 
 
 
 

Question 13 of 20

14. Thomson proposed the model of an atom to be similar to that of a:
 
 
 
 

Question 14 of 20

15. What are the essential conditions for the production of anode rays?
 
 
 
 

Question 15 of 20

16. What is the charge of a proton in coulombs?
3
 
 
 
 

Question 16 of 20

17. The mass of an electron is approximately 1/2000 times that of:
 
 
 
 

Question 17 of 20

18. Electron is represented as:
 
 
 
 

Question 18 of 20

19. The lightest positively charged particles are formed from:
 
 
 
 

Question 19 of 20

20. What is the charge on an electron?
 
 
 
 

Question 20 of 20