Reading...
Play button
Play button
Use LEFT and RIGHT arrow keys to navigate between flashcards;
Use UP and DOWN arrow keys to flip the card;
H to show hint;
A reads text to speech;
35 Cards in this Set
- Front
- Back
|
Colbolt 60 decays by___ to excited state of ____
|
B-, 60Ni
|
|
|
Electron capture
|
B+
|
|
|
1 Ci =
|
3.7 X 10^10 disenegrations per second
|
|
|
No energy is lost
|
elastic collision
|
|
|
When energy is lost
|
inelastic collision
|
|
|
Thompson scattering
|
-coherent
-not enough to ionize |
|
|
Comptom scattering
|
-incoherent
-most common interation in Rad Therapy -"free" e- |
|
|
Photoectric scattering
|
-auger e-
-at low energy photon xrays |
|
|
Pair production
|
-positron
-e- -absorbed by nucleus |
|
|
Photodisinigration
|
-emits neutron
-emits gamma rays -absorbed by nucleus |
|
|
isotope
|
Z-same
A-different N-different |
|
|
isobar
|
Z-different
A-same N-different |
|
|
isotone
|
Z-different
A-different N-same |
|
|
isomer
|
Z-same
A-same N-same |
|
|
3.7X10^10 Bq=
|
1 Ci
|
|
|
2.7 X 10^-10 Ci=
|
1 Bq
|
|
|
2.58 X 10-4 C/Kg=
|
1 R
|
|
|
3.88 X 10^3 R=
|
1C/Kg
|
|
|
0.01 Gy=
|
1 Rad
|
|
|
100 rad=
|
1 Gy
|
|
|
0.01 Sv=
|
1 Rem
|
|
|
100 Rem
|
Sv
|
|
|
mass weight of particle when it is not moving
|
rest mass
|
|
|
way to express very small mass of particles
|
atomic mass unit (amu)
carbon 12= 12.00 amu |
|
|
2N^2
N= |
number of shells as atomic number rises, the number of e- to keep neutral rises
|
|
|
amount of energy required to remove e- from the atom
|
binding e-
|
|
|
nucleus consists of Protons and Neutrons tightly bound together
|
strong nuclear force
|
|
|
A
Z X |
A=atomic mass number
Z=atomic number X=atom |
|
|
minimum amount of energy needed to keep the nucleons together
|
ground state
|
|
|
any packet of energy traveling thru space at the speed of light
|
photon
|
|
|
speed of light
|
3fX10^8 m/sec
|
|
|
the number of times that the wave cycles per second
|
frequency (v)
|
|
|
unit of frequency 1/sec
|
Hertz (Hz)
|
|
|
lambda- measured in meters
|
wavelength
|
|
|
travels at speed of light
|
velocity
|
