Radioactivity Flashcards
1
Q
What is radiation?
A
Particles or waves emitted (given out) from the nucleus of an unstable atom.
2
Q
Name the 2 particles found in the nucleus of an atom.
A
Protons and neutrons.
3
Q
What is the charge on a proton?
A
Positive.
4
Q
What is the charge on a neutron?
A
Neutral.
5
Q
What is an alpha particle made of?
A
2 protons and 2 neutrons (the same as a helium nucleus).
6
Q
What is a beta particle?
A
A high energy electron?
7
Q
What is a gamma ray?
A
High frequency electromagnetic radiation?
