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Atomic Structre

Total questions: 10

Worksheet time: 6mins

Name
Class
Date
1.

Atoms are built of sub-atomic particles called =

a)

Nucleus

b)

Neutrons

c)

Radical

d)

Protons

e)

Electrons

2.

Who was the person behind the discover of Atomic Nucleus?

a)

J. J Thomson

b)

Rutherford

c)

Goldstein

d)

James Chadwick

3.

Atoms of the same element or different elements combine to form a -

(a)  

4.

Select any one example of a diatomic molecule.

a)

Helium

b)

Argon

c)

Nitrogen

d)

Magnesium

5.

The negatively charged Ions are called -

(a)  

6.

The negative part of the radical is called -

a)

Acid Radical

b)

Basic Radical

7.

Which of the following is not an example of Monoatomic molecule?

a)

Helium

b)

Oxygen

c)

Iron

d)

Radon

8.

According to the Modern Atomic Theory,

Atoms are indivisible, smallest particle of an element.

TRUE OR FALSE?

a)

TRUE

b)

FALSE

9.

(a)   are imaginary paths in which electrons revolve around the nucleus.

10.

(a)   classified elements systematically in a table called the Modern Periodic Table.