ionising radiation Flashcards
1
Q
what does the symbol for alpha look like
A
a fish
2
Q
what is alpha
A
a helium nucleus
3
Q
what stops alpha
A
paper
4
Q
what is the charge of an alpha
A
2 positive charges
5
Q
what is the mass of an alpha
A
4
6
Q
what is the range of alpha within the air
A
a few cm
7
Q
what does ionising mean
A
how much it damages living cells
8
Q
how ionising is alpha
A
most ionising
9
Q
what does the symbol for beta look like
A
a b with a long tail
10
Q
what is beta
A
a high energy electron
11
Q
what is the mass of beta
A
small, -1
12
Q
what is the charge of beta
A
negative
13
Q
what is the range of beta within the air
A
a few m
14
Q
what stops beta
A
alimunium
15
Q
how ionising is beta
A
less ionising than alpha
