P7.1 - Radioactivity (Finished?) Flashcards
1
Q
What can you use to detect + measure radioactivity?
A
A Geiger counter
2
Q
How does a geiger counter work?
A
A geiger counter is made up of a geiger tube (detector) connected to an electronic counter. The counter clicks every time a particle of radiation enters the tube
3
Q
What are the three main types of radiation?
A
α β γ
4
Q
Which types of radiation did Ernest Ruetherford discover?
A
Ernest Ruetherford discovered alpha and beta radiation
5
Q
Radioactive decay is a ___ event
A
Random