Physics Flashcards
1
Q
Substances that give out radiation from the nuclei of their atoms all the time are said to be… what?
A
Radioactive substances
2
Q
What name is given to the process by which radioactive atoms break down and change into a different type of atom?
A
Radioactive decay
3
Q
What type of decay emits 2 protons and 2 neutrons
A
Alpha
4
Q
What is the name given to an isotope if its nucleus is unstable?
A
Radioisotopes
5
Q
Name the type of radiation given out by radioactive substances that is the most ionising.
A
Alpha
6
Q
Which type of ionising radiation has no charge?
A
Gamma
7
Q
What is the missing word? Beta particle radiation consists of high speed __________.
A
Electrons
8
Q
Which type of ionising radiation is most penetrating?
A
Gamma
