Structure Of An Atom Test online For General Science Cadet College Entrance

Photo of Rizwan Haider Rizwan HaiderLast Updated: August 9, 2025

Structure Of An Atom Questions and Answers Test

Structure Of An Atom General Science Test Online

Total Questions: 50
Time Allowed: 25 Minutes
Total Marks: 50
How to Attempt Test: Please choose the right Option in MCQ-type question.
Test Helpful For: General Science Test
Cadet College Test Entrance Questions
Structure of An Atom Test Online
General Science Questions
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1. An atom has no overall charge if it contains equal number of:

2. Isotopes are found because atoms of the same element can have different number of:

3. In the chemical formula COâ‚‚, the subscript 2 shows which of the following?

4. The atomic number of fluorine (F) is 9. Its mass number is 19. How many neutrons are present in its atom?

5. The number of electrons in N-shell can be:

6. What is the charge of a proton?

7. Which subatomic particle has no charge?

8. Electrons revolve around the nucleus in fixed paths called:

9. The central part of an atom is called:

10. The number of protons in an atom is equal to its:

11. Which scientist discovered the electron?

12. Which subatomic particles are located in the nucleus?

13. What is the relative charge of an electron?

14. Who proposed the planetary model of the atom?

15. Which of the following is a positively charged ion?

16. Which of the following is a correct statement about isotopes?

17. What is the maximum number of electrons in the K-shell?

18. How many electrons can M-shell hold at maximum?

19. Which element has atomic number 1?

20. The mass number is the sum of:

21. The electron was discovered using which device?

22. An ion is formed when an atom:

23. The Bohr model of the atom introduced the concept of:

24. Which element is used in atomic number 6?

25. Which of the following is the correct electronic configuration for sodium (atomic number 11)?


 

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Photo of Rizwan Haider Rizwan HaiderLast Updated: August 9, 2025
Photo of Rizwan Haider

Rizwan Haider

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