wayground logo

Free Printable Worksheets

Font size

S
M
L
XL
Worksheets

EL5 - Ionising Radiation

Total questions: 41

Worksheet time: 21mins

Name
Class
Date
1.

What is the relative mass of the proton?

a)

1

b)

0

c)

1/2000

2.

What is the relative charge of a neutron?

a)

1

b)

-1

c)

0

3.

What is an isotope?

a)

A nucleus with the same number of protons but different number of electrons

b)

A nucleus with the same number of protons but different number of neutrons

c)

A nucleus with the same number of neutrons but different number of protons

4.

Nitrogen-14 has 7 protons. How many neutrons does it have?

a)

7

b)

14

c)

21

5.

The atomic number of an element is...

a)

The number of protons

b)

The number of electrons

c)

The number of neutrons

6.

What has an ionised atom lost or gained?

a)

Protons

b)

Electrons

c)

Neutrons

7.

What has changed in the structure of the Cu2+ ion?

a)

It has gained two protons

b)

It has lost two electrons

c)

It has gained two electrons

8.

Why is deuterium 2H sometimes called heavy hydrogen?

a)

It has an extra electron

b)

It has an extra proton

c)

It has an extra neutron

9.

What does alpha radiation consist of?

a)

two protons and two neutrons

b)

one electron

c)

electromagnetic radiation

10.

Which type of radiation is the least penetrating?

a)

gamma

b)

alpha

c)

beta

11.

Which type of radiation travels the furthest in air?

a)

alpha

b)

beta

c)

gamma

12.

What charge is alpha radiation?

a)

negative

b)

neutral

c)

positive

13.

Which type of radiation will be attracted to a positively charged plate?

a)

Beta

b)

Alpha

c)

Gamma

14.

A Geiger counter is placed near a radioactive source and different materials are placed between the source and the Geiger counter. The results of the tests are shown in the table. What is the radiation emitted by the source?

a)

α only

b)

α and γ

c)

α and β

d)

β and γ

15.

β particles are emitted from a radioactive source in a school laboratory.


What is correct for these particles?

a)

A strong magnetic field will not deflect them.

b)

They are absorbed by aluminium.

c)

They do not damage human tissue.

d)

Their range in air is shorter than that of α particles.

16.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
17.
Which type of radiation is the most ionising?
a)
alpha
b)
beta
c)
gamma
18.
Which type of radiation is the least ionising?
a)
alpha
b)
beta
c)
gamma
19.
What type of radiation can be stopped by a piece of paper?
a)
Alpha radiation
b)
Beta radiation
c)
Gamma radiation
20.
What type of radiation can be stopped by a approximately 5 cm of air?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
21.
What type of radiation can be stopped by a approximately 1 m of air?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
22.
What type of radiation can be stopped by a 5 mm piece of aluminium?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
23.
What type of radiation can be stopped by a thick lead sheet?
a)
Alpha radiation
b)
Beta radiation
c)
gamma radiation
24.
_______________ is the process by which unstable atoms emit radiation until they become stable.
a)
Radiation
b)
Chemical Reaction
c)
Radioactive Decay
d)
Isotopes
25.
Name the instrument used to detect radioactivity.
a)
voltmeter
b)
ohmeter
c)
seismograph
d)
geiger counter
26.
Which of these is not a method for safely handling radioactive materials?
a)
Pointing it away from yourself and others
b)
Spending as little time as possible with the radiation
c)
Picking it up using your hands
d)
Storing in a lead lined container
27.
When does radioactive decay occur?
a)
When the nucleus of an isotope is unstable
b)
When the nucleus of an isotope is stable
c)
When the electrons of an isotope are spinning
d)
When the electrons of an isotope are shared with another isotope
28.
Radioactive materials have unstable...
a)
electrons
b)
protons
c)
nuclei
d)
neutrons
29.
Negatively charged particles emitted from a nucleus at a high speed are ____.  
a)
alpha particle
b)
gamma rays
c)
beta particles
d)
X rays
30.

What do these isotopes of carbon all have in common?


126C, 136C, 146C

a)

they all have the same number of neutrons & mass number

b)

they all have the same atomic number and neutrons

c)

they all have the same atomic number and electrons

d)

they all have the same number of protons, atomic number, and mass number

31.
In order of most to least penetrating radiation we have
a)
Alpha , Beta,  Gamma
b)
Beta , Gamma , Alpha
c)
Gamma, Beta, Alpha
d)
Gamma, Alpha, Beta
32.

During radioactive decay, the element can change?

a)

true

b)

false

33.
What type of decay is being illustrated in following picture? 
a)
beta decay
b)
alpha decay 
34.

An atom that loses an electron is called an _____________________and has an overall _________________________ charge.

a)

ion ; positive

b)

ion ; negative

c)

isotope ; positive

d)

ion ; neutral

35.

Carbon-14 and carbon-12 are two of the isotopes of carbon. The nucleus of a carbon-12 atom has the same number of ________________ as the nucleus of a carbon-14 atom.

a)

protons

b)

neutrons

c)

electrons

36.

Radiotherapy is

a)

Irradiation

b)

Contamination

37.

Eating Radioactive material is

a)

Irradiation

b)

Contamination

38.

Sterilizing surgical instruments is

a)

Irradiation

b)

Contamination

39.

Alexander Litvinenko was poisoned when he drank tea containing Polonium-210. He was

a)

Irradiated

b)

Contaminated

40.

Why might irradiation be hazardous?

a)

Irradiated bodies will become radioactive.

b)

Can cause damage to living cells

c)

It kills bacteria and other organisms.

41.

Select the dangers associated with gamma rays.

a)

cancer

b)

mutating DNA

c)

heating of internal organs

d)

sun burn