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

 
 
 
 

2. Atomic mass of an element is equal to:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

5. The smallest unit of matter is a:

 
 
 
 

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

 
 
 
 

7. A nucleus is represented symbolically by:

 
 
 
 

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

 
 
 
 

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

 
 
 
 

10. Symbol of Tritium is:

 
 
 
 

11. Isotopes of an element have:

 
 
 
 

12. Consider the species 17Cl35 and 17Cl37 These species have:

 
 
 
 

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

 
 
 
 

14. The atomic number (Z) tells us:

 
 
 
 

15. The mass of a neutron is:

 
 
 
 

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

 
 
 
 

17. The neutral atoms of all of the isotopes of the same element have:

 
 
 
 

18. Which one of them are physical properties?

 
 
 
 

19. The atomic number (Z) of nitrogen is:

 
 
 
 

20. Electron has a:

 
 
 
 


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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