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

Question 1 of 15

Question 2 of 15

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

Question 2 of 15

Question 3 of 15

3. The mass of an oxygen atom is:
A.
B.
C.
D.

Question 3 of 15

Question 4 of 15

4. The electronic configuration of an element is 1s2 2s2 2p3. This represent a/an:
A.
B.
C.
D.

Question 4 of 15

Question 5 of 15

5. Greater shielding effect corresponds to ionization energy value
A.
B.
C.
D.

Question 5 of 15

Question 6 of 15

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

Question 6 of 15

Question 7 of 15

7. Shapes of p orbitals:
A.
B.
C.
D.

Question 7 of 15

Question 8 of 15

8. The mass of neutron is
A.
B.
C.
D.

Question 8 of 15

Question 9 of 15

9. Isotopes are:
A.
B.
C.
D.

Question 9 of 15

Question 10 of 15

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

Question 10 of 15

Question 11 of 15

11. The correct set of four quantum numbers for the valence electron of rubidium (Z = 37) is:
A.
B.
C.
D.

Question 11 of 15

Question 12 of 15

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

Question 12 of 15

Question 13 of 15

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

Question 13 of 15

Question 14 of 15

14. The place between the two orbitals is called:
A.
B.
C.
D.

Question 14 of 15

Question 15 of 15

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

Question 15 of 15


 

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