Chapter 4 Flashcards
0
Q
Fission
A
Big one splits
1
Q
Transmutation
A
Nucleus of one element changes into the nucleus of another element
2
Q
Fusion
A
Come together
3
Q
Critical mass
A
Least amount of mass needed to sustain a chain reaction
4
Q
What is the energy yield of fission compared to fusion
A
Fusion much higher
5
Q
Control rods
A
Absorb neutrons
6
Q
Moderator
A
Slows rate of Speed
7
Q
What happens to elements with unstable nuclei
A
They decay
8
Q
How does a smoke detector work
A
It has radio active material called americium, it is an alpha particle admitter. The chip in the center can tell when an alpha particle hits it. If smoke goes through it breaks the beam and the alarm sounds
9
Q
Positron emission
A
Same as eleven trim but with positive charge o
1 n
10
Q
Electron capture
A
O
-1e on reactor side
