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Punjab 9th Class Chemistry Model Paper 3 Mcqs Test Online

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Question 1 of 36

Chemistry

1. Which one of the following halogen has highest electron negativity?

Iodine

Chlorine

Fluorine

Bromine

Question 1 of 36

Question 2 of 36

2. The amount of energy given out when an electron is added to an atom is called:

Lattice Energy

Electronegativity

Electron Affinity

Ionization

Question 2 of 36

Question 3 of 36

3. Fourth period contains no. of elements:

Question 3 of 36

Question 4 of 36

4. The first period consist of:

Two elements

Three elements

Four elements

Five elements

Question 4 of 36

Question 5 of 36

5. Nuclei of two attached atoms half of distance is called:

Atomic circumferential

Atomic Radius

Atomic Diameter

Atomic diagonal

Question 5 of 36

Question 6 of 36

6. Elements in second period are:

Question 6 of 36

Question 7 of 36

7. Transition elements are:

All Metals

All Metallaids

All Nonmetals

All Gases

Question 7 of 36

Question 8 of 36

8. The electronegativity of nitrogen is:

Question 8 of 36

Question 9 of 36

9. Electronegativity of oxygen is:

3.1

3.2

3.4

3.3

Question 9 of 36

Question 10 of 36

10. The atomic number of fluorine is:

Question 10 of 36

Question 11 of 36

11. Belongs to group 17th:

Alkali Metals

None of these

Nobel gases

Halogens

Question 11 of 36

Question 12 of 36

12. Electronic configuration of sulphur is:

2S² 2S³ 2P⁶ 3S² 3P²

2S² 2S⁵ 2P⁴ 3S² 3P²

2S² 2S⁶ 2P³ 3S² 3P²

2S² 2S⁴ 2P⁶ 3S² 3P²

Question 12 of 36

Question 13 of 36

13. Which nobel gas does not possess 8 electros in their valence Shell?

Question 13 of 36

Question 14 of 36

14. Electronic configuration of Nitrogen is:

1S²,2S²,2P³

1S²,2S²,2P⁵

1S²,2S²,2P²

1S²,2S²,2P⁴

Question 14 of 36

Question 15 of 36

15. Elements of one group are called:

Family

Block

Species

Period

Question 15 of 36

Question 16 of 36

16. The vertical columns in the periodic table are called:

Periods

Atomic Mass

Groups

Atomic Number

Question 16 of 36

Question 17 of 36

17. Which period is incomplete?

5th

7th

4th

6th

Question 17 of 36

Question 18 of 36

18. Elements in second period are:

Atomic Quality

Atomic Number

None of these

Atomic Mass

Question 18 of 36

Question 19 of 36

19. The electronegativity of fluorine is:

3.5

2.1

3.0

4.0

Question 19 of 36

Question 20 of 36

20. Electronic configuration of Potassium is:

(Ne)3S¹

(Kr)4S¹

2S¹

(A1⁻)4S¹

Question 20 of 36

Question 21 of 36

21. Modern periodic law is presented by:

H. Moseley

Dobereiner

Medeleev

Newlands

Question 21 of 36

Question 22 of 36

22. Elements of d-block are called:

Alkaline earth Metals

Both A and B

Transition Metals

Alkali Metals

Question 22 of 36

Question 23 of 36

23. In which block, elements of groups 17 are present:

Question 23 of 36

Question 24 of 36

24. Medleev Periodic table was based on:

Electronic configuration

Atomic Mass

Atomic Number

Completion of a Sub shell

Question 24 of 36

Question 25 of 36

25. The number of groups in periodic table is:

Question 25 of 36

Question 26 of 36

26. Long form of periodic table is constructed on the basic of:

Merdleeve Postulate

Atomic Number

Atomic Mass

Mass Number

Question 26 of 36

Question 27 of 36

27. Electronic configuration of (Cu) Ion is:

1S², 2S², 2P⁶, 3S² 2P⁵

1S², 2S², 2P⁶, 3S² 2P⁴

1S², 2S², 2P⁶, 3S² 2P³

1S², 2S², 2P², 3S² 2P⁶

Question 27 of 36

Question 28 of 36

28. The general electronic configuration of Nobel gases is:

nS²nP⁵

nS²nP³

nS²nP⁴

nS²nP⁶

Question 28 of 36

Question 29 of 36

29. Transition elements are:

All Metals

All Metalloids

All Gases

All Nonmetals

Question 29 of 36

Question 30 of 36

30. 4th and 5th periods of long form of periodic table are called:

Short Periods

Very long Periods

Normal Periods

Long Periods

Question 30 of 36

Question 31 of 36

31. The horizontal lines are called:

Atomic Number

Atomic Mass

Groups

Periods

Question 31 of 36

Question 32 of 36

32. The range of atomic number of 3rd period in periodic tale is:

19 to 36

11 to 18

3 to 10

1 to 2

Question 32 of 36

Question 33 of 36

33. Electronegativity of fluorine is:

Question 33 of 36

Question 34 of 36

34. 1st Period has elements:

Question 34 of 36

Question 35 of 36

35. Who discovered atomic number?

Mendleeve

H-Mozle

Newland

Gold Stein

Question 35 of 36

Question 36 of 36

36. The electronegativity of carbon is:

2.6

2.0

4.0

1.0

Question 36 of 36

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