1
Q
Stability of a nucleus depends on
A
Ratio of protons to neutrons
2
Q
The rate of decay is called
A
Half life
3
Q
Half life is…
A
The amount of time it take for half of a samples radioactivity to decay
4
Q
Transmutation is
A
the nucleus of an atom changing to a different element
5
Q
Fission occurs when
A
A nucleus is split
6
Q
Fusion occurs when
A
Combined two light nucleus to make a heavier nucleus (used to power the sun)
7
Q
Energy from nuclear reactions comes from
A
Very small amounts of mass
