Topic 6 Flashcards
1
Q
What is an isotope
A
Atoms of the same element with different masses
They have a different number of nuetrons
2
Q
Features of alpha radiation
A
Highly ionising , weakly penetrating
3
Q
Features of beta minus radiation (electron)
A
Medium ionising
Medium penetration
4
Q
Features of gammas radiations
A
Low ionising
High penetration
5
Q
How to measure radiation
A
Gm tube which produces clicks every time it absorbs radiation - more clicks mean higher radiation
6
Q
What does alpha decay do
A
Shoots out two protons and 2 neutrons
7
Q
What does a beta minus particle do
A
Neutron becomes a proton and releases an electron
8
Q
What does a beta plus particles do
A
Proton becomes a neutron and releases a positron
9
Q
What does a gamma rays do
A
Causes nothing to change just adds gamma radiation
