MCQs on periodic classification of elements

Dr Inam Ul Haq Jazbi Periodic Classification
Multiple Choice Questions (MCQs) on Periodic Table Set # 1
1. The physical and chemical properties of elements are periodic functions of their atomic weight.
This is called:
(A) Moseley’s periodic law (B) Newland’s law of octaves
(C) Mendeleev’s periodic law (D) Meyer’s periodic law

2. Which one of the following configurations corresponds to alkali metals?
(A) 1s1 (B) 1s2, 2s2 2p6, 3s2 3p6, 4s1
2 2 6 2 6 10 1
(C) 1s , 2s 2p , 3s 3p , 3d , 4s (D) 1s2,2s2 2p1

3. Modern periodic table is based on:
(A) Atomic mass (B) Atomic number
(C) Atomic volume (D) Atomic radius

4. Excluding hydrogen and helium, the smallest element in the periodic table is:
(A) Li (B) Cs
(C) F (D) Si

5. Which one of the following configurations corresponds to alkaline earth metals?
(A) 1s2 (B) 1s2,2s2 2p3
2 2 6 2
(C) 1s ,2s 2p ,3s (D) 1s2,2s2 2p1

6. Which one of the following configurations does not correspond to noble gases?
(A) 1s2 (B) 1s2,2s2 2p6
2 2 6 2 6
(C) 1s ,2s 2p ,3s 3p (D) 1s2,2s2 2p5

7. Which one of the following configurations does not correspond to transition metals?
(A) [Ar], 3d8, 4s2 (B) [Ar], 3d8, 4s2
10 1
(C) [Ar], 3d , 4s (D) [Xe], 6s1

8. Which one of the following periods contains noble gas xenon?
(A) Period 7 (B) Period 5
(C) Period 6 (D) Period 4

9. Which one of the following groups contains Zn, Cd and Hg?
(A) Group IA (B) Group IIA
(C) Group IB (D) Group IIB

10. Which one of the following periods contains antimony?
(A) Period 2 (B) Period 3
(C) Period 4 (D) Period 5

11. Which one of the following sets of elements are the members of IVB group?
(A) Ti, Zr, Hf (B) Ni, Pd, Pt
(C) Sc, Y, La (D) Cr, Mo, W

12. The elements following lanthanum in periodic table are called
(A) Actinides (B) Transuranium
(C) Lanthanides (D) Transuranic elements

13. The actinides series of f-block elements is followed by:
(A) Cerium (B) Thorium
(C) Actinum (D) Lutetium

14. The weak radioactive element in period 6 is:
(A) Mercury (B) Lead
(C) Polonium (D) Thorium

15. Which one of the following sets represents coinage metals?
(A) Zn, Cd, Hg (B) Co, Rh, Ir
(C) Cu, Ag, Au (D) Ga, In, Tl

, Dr Inam Ul Haq Jazbi Periodic Classification
18. Which one of the following elements does not belong to period 4?
(A) Sc (B) As
(C) Ge and Ga (D) Xe

19. The elements of which one of the following pairs of group would be expected to form compound
of formula MX:
(A) IIA and VIA (B) IIIA and IVA
(C) IA and VIA (D) IVA and VIIA

20. Which one of the following elements does not belong to period 5?
(A) Zr (B) W
(C) Pd (D) Sn

21. Which one of the following elements does not belong to 3rd series of d-block elements?
(A) La (B) Hf
(C) W and Pt (D) In

22. The period 6 is from
(A) Rb to Xe (B) La to Hg
(C) La to Rn (D) Cs to Rn

23. Which one of the following elements does belong to period 6?
(A) La (B) Y
(C) Mo (D) Rh

24. Which one of the following is the valence shell configuration of group IIIB?
(A) ns2 (n1)d1 (B) ns2 nd1
2 3
(C) ns (n1)d (D) ns2 (n1)d2

25. Which one of the following is the valence shell configuration of group IVB?
(A) ns1 (n1)d3 (B) ns2 nd2
2 2
(C) ns (n1)d (D) ns2 (n1)d4

26. Which one of the following is the valence shell configuration of group VB?
(A) ns2 (n1)d3 (B) ns2 nd3
2 5
(C) ns (n1)d (D) ns1 (n1)d4

27. Which one of the following is the valence shell configuration of group VIB?
(A) ns2 (n1)d6 (B) ns2 nd4
2 4
(C) ns (n1)d (D) ns1 (n1)d5

28. Which one of the following is the valence shell configuration of group VIIB?
(A) ns2 (n1)d7 (B) ns2 nd5
(C) ns2 (n1)d5 (D) ns1 (n1)d6

29. Which one of the following is the valence shell configuration of group VIIIB?
(A) ns2 (n1)d6 (B) ns2 (n1)d7
(C) ns2 (n1)d8 (D) All of the above

30. Which one of the following is the valence shell configuration of group IB?
(A) ns1 (n1)d10 (B) ns2 (n1)d1
(C) ns2 (n1)d10 (D) ns1 (n1)d9

31. Which one of the following is the valence shell configuration of group IIB?
(A) ns2 (n1)d5 (B) ns2 (n1)d10
(C) ns2 (n1)d2 (D) ns1 (n1)d9

32. If 4f orbital is filling, element is:
(A) Actinide of period 7 (B) Lanthanide of period 7
(C) Actinide of period 6 (D) Lanthanide of period 6