P6: Radioactivity Flashcards
1
Q
Which ray can you stop with your skin or paper?
A
Alpha
2
Q
Which ray can travel through paper, but is stopped at aluminium?
A
Beta
3
Q
Which ray is the most penetrating?
A
Gamma
4
Q
What is alphas relative mass
A
Large
5
Q
What is alphas charge
A
+2
6
Q
What is alphas ionising power
A
High
7
Q
What is alphas range
A
Short
8
Q
What is betas relative mass
A
Small
9
Q
What is betas charge
A
-1
10
Q
What is betas ionising power
A
Medium
11
Q
What is betas range
A
Medium
12
Q
What is gammas relative mass
A
None
13
Q
What is gammas charge
A
None
14
Q
What is gammas ionising power
A
Low
15
Q
What is gammas range
A
Long
