radioactivity Flashcards
1
Q
4 types of radiation
A
alpha beta gamma and neutrons
2
Q
where is it emitted from
A
nucleus of an unstable atom
3
Q
what is alpha made up of
A
2 protons + 2 neutrons
4
Q
what is the nature of alpha
A
particle
5
Q
what id alpha absotbed by
A
paper or skin
6
Q
what is alphas range in air
A
2-3 cm
7
Q
what is alphas ionasition power
A
the most
8
Q
what is alphas mass number
A
4
9
Q
what is alpha’s atomic number
A
2
10
Q
what is beta made up of
A
fast moving electrons
11
Q
what is betas nature
A
particle
12
Q
what does beta get absotbed by
A
0.5 of alummium
13
Q
what is betas range in air
A
1-2 m
14
Q
what is betas ionasition power
A
middle
15
Q
what id betas mass number
A
0
