Atomic Structure – Online MCQs – Physics 10th

Online MCQs Test | Unit 19 : Atomic Structure | Physics Class 10th | Sindh Board Science Group

Online MCQs Test of Chapter 19 (Atomic Structure) Physics Class 10th Science Group – Sindh Board. According to New Examination Pattern / Syllabus of Sindh Board

1. Electrons are bound by a positively charged nucleus with the:

 
 
 
 

2. Neutrons carry:

 
 
 
 

3. The smallest unit of matter is a:

 
 
 
 

4. The number of electrons in an atom will be:

 
 
 
 

5. Isotopes of an element have:

 
 
 
 

6. Atomic mass of an element is equal to:

 
 
 
 

7. It distinguishes one element from another.

 
 
 
 

8. The number of neutron(s) in Protium is:

 
 
 
 

9. An atom usually has:

 
 
 
 

10. Many essential properties of an isotope depend on its:

 
 
 
 

11. The maximum mass of an atom is concentrated in:

 
 
 
 

12. The protons and neutrons are collectively called:

 
 
 
 

13. In an atom, the nucleus when compared to the extra-nuclear part, is:

 
 
 
 

14. If an element B has five protons and six neutrons, what will be the symbol of element B?

 
 
 
 

15. Which expression is correct for atomic mass, A?

 
 
 
 

16. Isotopes are two or more species of atoms of an element with:

 
 
 
 

17. The number of protons and neutrons is collectively known as:

 
 
 
 

18. Consider isotope 92Cl237 of uranium. The number of neutrons in it is:

 
 
 
 

19. Electron has a:

 
 
 
 

20. The mass of a neutron is:

 
 
 
 


Online MCQs Test preparation for Physics Class 10th (Science Group Sindh Board) helps students practice effectively. These multiple-choice questions are taken from Unit 19 “Atomic Structure” of the Class 10th Physics textbook.
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