Punjab 9th Class Chemistry Chapter 4 Structure of Molecules Mcqs Test Online Solved With Right Answers

Question 1 of 9

Chemistry

1. Which of the following atoms will form an ion of charge -2?

Atomic Number/10 Mass Number/20

Atomic Number/12 Mass Number/24

Atomic Number/8 Mass Number/8

Atomic Number/14 Mass Number/28

Question 1 of 9

Question 2 of 9

2. Which of the following atoms will not form cation or anion.

D (Atomic No. 19)

A (Atomic No. 16)

C (Atomic No. 18)

B (Atomic No. 17)

Question 2 of 9

Question 3 of 9

3. Which of the following is not true about the formation of Na₂S:

Sulphur forms anion

Sodium forms cation

Each sodium atom loses one electron

Each sulphur atom gains one electron

Question 3 of 9

Question 4 of 9

4. Which of the following atoms obey duplet rule?

F₂

N₂

O₂

H₂

Question 4 of 9

Question 5 of 9

5. Which of the following atoms will form cation.

Atomic Number/15

Atomic Number/20

Atomic Number/17

Atomic Number/18

Question 5 of 9

Question 6 of 9

6. Silicon belongs to Group IVA. It has ___________ electrons in the valence shell

4

2

3

6

Question 6 of 9

Question 7 of 9

7. In the formation of AIF₃, aluminum atom loses ___________ electrons.

2

4

1

3

Question 7 of 9

Question 8 of 9

8. Phosphorus belongs to third period of Group VA. How many electrons it needs to complete its valence shell.

4

2

5

3

Question 8 of 9

Question 9 of 9

9. Identify the covalent compound

NaCl

H₂O

KF

MgO

Question 9 of 9

Punjab 9th Class Chemistry Chapter 4 Structure of Molecules Mcqs Test Online

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Punjab 9th Class Chemistry Chapter 4 Structure of Molecules Mcqs Test Online

Punjab 9th Class Chemistry Chapter 4 Structure of Molecules Punjab 9th Class

Chemistry

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Test By Topics	9th Class Chemistry