Objective MCQs Periodic Classification of Elements and Periodicity

To test your knowledge attempt this Quiz Test of MCQs from Unit 1 Periodic Classification of Elements and Periodicity FSC Part-II

1. Keeping in view the size of atoms which order is the correct one.

Mg > Sr
Ba > Mg
Lu > Ce
Cl > I

2. Mark the correct statement.

  1. Na is smaller than Na atom.
  2. Na is larger than Na atom.
  3. Cl is smaller than Cl atom.
  4. Cl is greater than Cl atom.
1 & 3
2 & 4
1 & 2
3 & 4

3. Mark the correct statement.

All lanthanides are present in the same group.
All halogens are present in the same period.
All the alkali metals are present in the same group.
All the noble gases are present in the same period.

4. Which state is correct?

Hydrogen resembles in properties with I-A, IV-A and VII-A elements
Hydrogen resembles in properties with II-A, IV-A, and VII-A
Hydrogen resembles in properties with III-A, IV-A, and V-A elements.
Hydrogen resembles in properties with II-A, II-A and VII-A elements.

5. Which state is incorrect?

All the metals are good conductors of electricity.
All the metals are conductors' of heat.
All the metals form positive ions.
All the metals form acidic oxides.

6. Mark the correct statement:

The ionization energy of calcium is lower than that of barium.
The ionization energy of calcium os lower than that of magnesium
The ionization energy of calcium is higher than that of beryllium.
The ionization energy of calcium is lower than that of strontium.

7. Mark the incorrect statement.

Metallic character increases down the group.
Metallic character increases along a period.
Metallic character decreases along a period.
Metallic character remains the same down the group

8. Mark the correct statement.

Melting points of halogens decrease down the group.
Melting points of halogens increase down the group.
Melting points of halogens remain the same throughout the group.
Melting points of halogens first increase and then decrease down the group.

9. Mark the correct statement

The covalent character of metal halides increases from left to right in a period.
Boiling points of group IV-A hydrides decrease down the group.
The ionic character of hydrides increases from left to right in a period.
The basicity of group II-A oxidise decreases on descending the group.

10. Who did the first attempt to classify elements of periodic table.

Al-Razi
Mendeleev
Newland
Dobereiner

11. Who introduce the zero group?

Lothar Meyer
Lockyer
Mendeleev
Ramsay

12. In the Mendeleev's periodic law, the properties of elements are periodic function of their.

volumes
densities
atomic numbers
atomic masses

13. In the Periodic Table the element with atomic number 14 is in

2nd Period
3rd Period
4th Period
6th Period

14. Which is the number of elements in 6th period of Periodic Table?

10
18
8
32

15. The number of periods in the modern periodic table are

7
9
5
8

16. In the Periodic Table all the non-metals are placed under which of the blocks?

f
d
p
s

17. The basis of Modern Periodic Law is

Hint: The elements of the modern periodic table are arranged in the increasing order of ..............

Electron Affinity
Atomic Mass
ionization potential
atomic number

18. Element of Group I-B are called

Representative elements
Transition elements
rare earths
coinage metals

19. In the long form of Periodic Table all the outer transition metals are placed under which block.

f-block
p--block
d--block
s--block

20. The long form of the Periodic Table has

18 Horizontal and 12 vertical rows
7 Horizontal and 18 Vertical rows
15 Horizontal and 14 vertical rows
16 horizontal and 8 vertical rows

21. Period five in modern Periodic Table contains how many elements?

32
18
10
8

22. Transition elements in 4th period are

18
10
8
6

23. Generally the elements in the same vertical group of the Periodic Table have the same.

number of electrons
Atomic Mass
Electronic configuration
atomic number

24. Which one is an incomplete period?

4th
5th
6th
7th

25. Which of the following has both members from the same period of Periodic Table?

Cl, Br
Na, Cl
Na, Ca
Ca, Cl

26.