Lesson 4 - Properties Of Alpha, Beta And Gamma

Question 1

What is ion?

Answer 1

An atom which has gained or lost electrons

Question 2

How would you make a positive ion? In terms of protons and electrons.

Answer 2

An atom loses electrons

Question 3

How would you make a negative ion? In terms of protons and electrons.

Answer 3

An atom gains electrons

Question 4

Order the types of radiation from most ionising to least ionising.

Answer 4

Alpha, Beta, Gamma

Question 5

Order the types of radiation from most penetrating to least penetrating.

Answer 5

Gamma, Beta and Alpha

Question 6

How far can an Alpha particle travel in air?

Answer 6

2.5cm in air

Question 7

How far can a beta particle travel in air?

Answer 7

1 metre in air

Question 8

How far can a Gamma particle travel in air?

Answer 8

1 kilometer in air

Question 9

What stops alpha radiation?

Answer 9

Paper or skin

Question 10

What can stop beta radiation?

Answer 10

Thin sheet of aluminium

Question 11

What can stop gamma radiation?

Answer 11

Lead

Question 12

What can stop neutron radiation

Answer 12

Thick wall of lead

Question 13

What types of radiation is stopped by paper or skin?

Answer 13

Alpha radiation

Question 14

What types of radiation is stopped by a thin sheet of aluminium?

Answer 14

Alpha and beta

Question 15

What types of radiation are stopped by lead?

Answer 15

Alpha, beta and gamma

Question 16

What types of radiation is stopped by a thick wall of lead?

Answer 16

Aloha, beta, gamma and neutron