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Introduction to the Structure of an atom

Total questions: 10

Worksheet time: 8mins

Name
Class
Date
1.

Who discovered an electron?

a)

Millikan

b)

J.J. thomson

c)

Goldstein

d)

Chadwick

2.

Canal rays have _____ charge on them

a)

Positive

b)

Negative

c)

No charge

3.

Im the lightest particle in an atom. Identify me

a)

Proton

b)

Neutron

c)

Electron

d)

Alpha particle

4.

The inner side of the discharge tube is coated with ?

a)

Hydrogen sulphide

b)

Zinc Chloride

c)

Can't be coated

d)

Zinc Sulphide

5.

All atoms are ______?

a)

negatively charged

b)

positively charged

c)

electrically neutral

d)

All other options are correct

6.

Which of the following travel from cathode to anode?

a)

Positive Rays

b)

Cathode Rays

c)

Canal Rays

d)

Protons

7.

Who changed the term 'Atomos' to 'Atom'?

a)

Democritus

b)

John Dalton

c)

J.J.Thomon

d)

James Chadwick

8.

Which of the energy is possessed by the cathode rays?

a)

Potential Energy

b)

Light Energy

c)

Kinetic Energy

d)

Wind Energy

9.

The picture is related with the discovery of ?

a)

Protons

b)

Positive ray

c)

Neutrons

d)

Cathode rays

10.

Draw your idea of a Plum Pudding Model given by J.J. Thomson