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Total questions: 9

Worksheet time: 13mins

Name
Class
Date
1.

Is most of the atom empty space?

a)

True

b)

False

2.

Which of the particles below are fundamental?

a)

Proton

b)

Electron

c)

Up quark

d)

Neutron

e)

D Quark

3.

Which statement below is correct?

a)

Stable because the p:n is stable.

b)

Stable because the number of protons and neutrons are the same.

c)

Unstable because the number of protons and electrons are the same

d)

Unstable because the number of protons and electrons are not the same.

4.

If an imaginary atom has a mass of 10u. What would be the mass of the separated protons and neutrons?

a)

10u

b)

more than 10u

c)

less than 10u

d)

Zero

5.

What is the name of the particles which Thomson deflected with a magnet?

a)

Quarks

b)

Protons

c)

Neutrons

d)

Electrons

6.

Which experiment(s) contributed to our current model of the atom?

a)

Thomson's Experiment

b)

Rutherford's Experiment

c)

Both

d)

Neither

7.

Which statement(s) below was a conclusion from Rutherford's experiment?

a)

Most of the atom is empty space.

b)

The electrons are negative.

c)

The nucleus is massive.

d)

The nucleus is positive.

8.

Which one is the biggest?

a)

3x109

b)

5x105

c)

9.6x107

d)

2x109

9.

Which one is the smallest?

a)

6x10-5

b)

0.00001

c)

-0.8

d)

5x10-6