Chemistry Atomic Structure Test Online Mcqs Preparation

Chemistry Atomic Structure Test Online Mcqs Preparation With Answers Start Below

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Question 1 of 15

1. How many times the mass of neutrons is greater than mass of electron.
A.
B.
C.
D.

Question 1 of 15

Question 2 of 15

2. In which of the following, all have same number of electrons:
A.
B.
C.
D.

Question 2 of 15

Question 3 of 15

3. The ionic specie having more electrons than neutrons is
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The number of d-electrons in Fe+2 (Z=26) is not equal to:
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. The ion that is iso-electronic with CI atom is
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

6. 2nd ionization energy of Mg is higher than the first because:
A.
B.
C.
D.

Question 6 of 15

Question 7 of 15

7. The value of e/m for the electron is:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. Which of the following has highest ionization energy value?
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. The mass of proton is
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

10. Identify the correct order of increasing energy:
A.
B.
C.
D.

Question 10 of 15

Question 11 of 15

11. An orbital which is spherically symmetrical is:
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

12. Isotopes differ in:
A.
B.
C.
D.

Question 12 of 15

Question 13 of 15

13. Which of the following particles would on losing an electron has its outermost p-orbital as half filled
A.
B.
C.
D.

Question 13 of 15

Question 14 of 15

14. The shapes of s orbitals is circular and their size:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

15. The electron configuration of K(19) is:
A.
B.
C.
D.

Question 15 of 15


 

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