Radiation Types Flashcards
1
Q
Most isotopes are…
A
unstable
2
Q
How to isotopes stable themselves?
A
emit radiation from the nucleus
3
Q
What is an isotope?
A
An atom with the same number of protons but a different number of neutrons
4
Q
Name the 3 types of radiation:
A
Alpha Radiation
Gamma Rays
Beta Particles
5
Q
WHat is alpha radiation made from?
A
2 neutons and 2 protons
6
Q
Alpha radiaton range in air
A
1-2cm
7
Q
What will stop alpha particles?
A
thin piece of paper
8
Q
ionising level of alpha radiation
A
high
9
Q
What are beta particles made from?
A
high energy electrons
10
Q
beta particles range in air
A
1-2m
11
Q
What will stop beta particles?
A
3-5mm of aluminium
12
Q
beta particles ionising level
A
medium
13
Q
What is gamma radiation?
A
electro-magnetic wave
14
Q
gamma radiation range in air
A
several km
15
Q
WHat will stop gamma radiaton?
A
5-10cm of lead or concrete
