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Atoms molecules radicals (Nirbhay tandel)

Total questions: 18

Worksheet time: 4hrs 32mins

Name
Class
Date
1.

What are monoatomic molecule

a)

Made up of three atom

b)

Made up of one atom

c)

Made up of two atom

d)

Made up of four atom

2.

What are diatomic molecules

a)

Made up of one atom

b)

Made up of four atom

c)

Made up of two atom

d)

Made up of three atom

3.

What are triatomic molecule

a)

Made up of three atom

b)

Made up one atom

c)

Made up of four atom

d)

Made up two atom

4.

What are polyatomic molecules

a)

Made up one atom

b)

Made up of four atom

c)

Made up of three atom

d)

Made up of two atom

5.

The word atom comes from the word

(a)  

6.

Name three subatomic molecules

(a)  

7.

What are the one type of molecule

a)

Molecules of an element

b)

Molecules of an atom

c)

Molecule of an matter

d)

Radical

8.

what is the valency of hydrogen

a)

1

b)

4

c)

3

d)

2

9.

What is the valency of oxide

a)

4

b)

2

c)

1

d)

3

10.

What is the state of iodine

a)

Solid

b)

Gas

c)

Liquid

d)

None of these

11.

What is the state of chlorine

a)

Liquid

b)

gas

c)

Solid

d)

None of these

12.

An ion with positive charge is called

a)

Anions

b)

atoms

c)

Molecules

d)

Cations

13.

An ions with negative charge is called

a)

Cations

b)

Atoms

c)

Molecules

d)

Anions

14.

What is called the combining capacity of an element

a)

Variable valency

b)

Valency

c)

Radical

d)

None of these

15.

Which of the following exhibits variable valency

a)

Calcium

b)

Chlorine

c)

Carbon

d)

Copper

16.

Atoms are

a)

Neutral

b)

Matter

c)

Molecules

d)

None of these

17.

Which of the following has valency 4

a)

Oxygen

b)

Carbon

c)

Phosphorus

d)

Aluminium

18.

What are the examples of inert gases

a)

Helium

b)

Argon

c)

Neon

d)

All of the above