Alpha, Beta And Gamma Radiation Flashcards
What does an alpha particle consist of?
Two protons
two neutrons
What does a beta particle consist of?
One electron
What charge does an alpha particle have?
+2 charge
What charge does a beta particle have?
-1 charge
True or false?
Gamma radiation comes from an atom
False, it is an electromagnetic waves
What charge does a gamma ray have?
No charge
What is the cause of neutron emission?
Too many neutrons in the nucleus making it unstable
What type of radiation can’t penetrate paper?
Alpha radiation
What type of radiation can penetrate 5 mm of aluminium?
Beta radiation
What type of radiation can penetrate aluminium, but not thick lead
Gamma radiation
Where do beta particles come from?
Neutron decay into a proton and electron
Which radiation is strongly ionising?
Alpha radiation
Which radiation is moderately ionising
Beta radiation
Which radiation is weakly ionising?
Gamma radiation
What can an alpha particle also be presented as?
A helium particle
