4.4.2 Atoms and nuclear radiation Flashcards
1
Q
What are the three types of nuclear radiation
A
- Alpha
- Beta
- Gamma
2
Q
What is ionising power
A
Ionising power is the ability of a particle to ionise another atom.
3
Q
Ionising power of radiation in descending order of highest to lowest
A
- Alpha
- Beta
- Gamma
4
Q
Penetration of radiation in descending order of highest to lowest
A
- Gamma
- Beta
- Alpha
5
Q
Relative mass of alpha radiation
A
4
6
Q
Relative charge of alpha radiation
A
+2
7
Q
Range in air of alpha radiation
A
up to 5cm
8
Q
What absorbs alpha radiation
A
paper or card
9
Q
What is the ionising power of alpha radiation
A
+2
10
Q
What is the penetrating power of alpha radiation
A
low
11
Q
What is the relative mass of beta radiation
A
0
12
Q
What is the relative charge of beta radiation
A
-1
13
Q
What is the ionising power of beta radiation
A
-1
14
Q
What is the ionising power of gamma radiation
A
0
15
Q
What is the range in air of beta radiation
A
up to 1m
