Science Review Flashcards
1
Q
Neutron
A
+0
2
Q
Proton
A
+1
3
Q
Electron
A
-1
4
Q
Atomic mass
A
Amount of protons and neutrons in the atom.
5
Q
Atomic number
A
Is the number of protons in an atom that defines the element.
6
Q
Radioactivity
A
The emission of ionization radiation or particles caused by the spontaneous disintegration of atomic nuclei
7
Q
Alpha decay
A
Two protons and two neutrons and from the atom’s nucleus they come from the heaviest elements like uranium, radium and polonium.
8
Q
Beta
A
A high speed electron emitted by radioactive decay
9
Q
Gamma
A
Electromagnetic radiation arising from radioactive decay of an atomic nucleus.
