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Rad Sci Unit 1 Review Flashcards | StudBud
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Rad Sci Unit 1 Review
Rad Sci Unit 1 Review
50 terms
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Atoms, Matter, EM Radiation, and Math Review.
Flashcards
50 cards
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Practice quiz
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Questions
50
Answers
1
100 mA is equal to how many Amps?
.1 A
100000 A
1000 A
1.0 A
2
What keeps electrons in their shells?
gravity
binding energy
orbital energy
linking energy
3
What diagram is used to illustrate the travel of EM waves?
sine waves
sinual waves
sinus waves
4
A small bundle of energy may be called a photon and what other term?
Neutrons
Quark
Nucleons
Quantum
5
What is the SI unit for measuring weight?
lb
kg
6
Which of the following is one of the three fundamental particles that compose atoms?
positron
radiation
proton
7
Which of the following is NOT a form of EM energy?
UV
Radio
Cellular
Gamma
8
Photon energy is _____ related to frequency.
directly
indirectly
9
A decrease in EM energy would have what effect on the wavelength?
none
direct
inverse
reversed
10
What is the maximum number of electrons that can occupy the outermost shell of an atom?
18
32
2
8
11
Alpha or beta behave like a _____.
particle
element
radio wave
wave
12
What term defines: EM radiation acts like waves or particles depending upon their energy?
Wave-Particle Duality
EM Theory
EM Spectrum
13
Why would barium absorb x-rays?
Heavy
High Z#
High atomic mass
14
What theory states that energy cannot be created nor destroyed only changed forms.
inverse square law
E=mc2
electromagnetic theory
15
What is the wavelength of diagnostic x-rays?
1.5 Angstrom
1-5 Angstrom
0.1-0.5 angstrom
16
What unit is used to measure frequency?
KVP
Hertz
mAs
Angstroms
17
An increase in frequency would result in an ____ of wavelength?
increase
stay the same
no effect
decrease
18
Substance that makes up all objects
atoms
energy
mass
matter
19
Higher atomic numbers will possess ________ than low atomic numbers.
Greater binding energy
Lesser binding energy
20
What electron shell has the greatest binding energy?
L
Q
K
N
21
What is the relationship between frequency and wavelength?
direct
inverse
22
Quantity of matter in an object.
atoms
matter
energy
mass
23
The most significant way elements differ from one another is a difference in number of?
ions
electrons
neutrons
protons
24
A stable atom has
equal protons and neutrons
equal electrons and protons
equal neutrons and electrons
25
Most of the mass of the atom is contained in the what?
space
orbital shells
nucleus
orbits
26
What kind of particulate radiation has a negative charge?
Alpha Particle
Beta Particle
27
The atomic mass number of protons and neutrons is what?
.01
1
10
1.5
28
As the atomic # decreases, what happens to the binding energies?
decreases
increases
stays the same
29
What is the formula used to determine the number of electrons in each shell?
2n2
2p2
p2n
E=mc2
30
This is a diagram of what?
Sine Wave
Electromagnetic Spectrum
Quantum Energies
31
When an atom gains or loses and electron it is called what?
Polarized
Ionized
Compound
Isotope
32
If two elements have the same number of protons but different number of neutrons they are what?
isocool
ions
isotope
ionized
33
What does an electron occupy as it rotates around the nucleus?
street
shell
ray
34
Interactions within the x-ray tube occur at the ____ level
microscopic
atomic
solar
35
The number of waves occurring per second (cps) is defined as what?
peak
amplitude
frequency
wavelength
36
The ability to do work is what?
Stationary
Inherent Energy
Potential Energy
Kinetic Energy
37
What are the building block of matter?
electrons
atoms
molecules
protons
38
What are the smallest particles of an element?
atoms
alpha particle
beta particle
molecules
39
What is the maximum number of electrons permitted in the M-shell?
50
8
18
32
40
In what kind of bond do two atoms share an electron that then orbits the nuclei?
nonionic bond
covalent
ionic
convalescent
41
1/3 ÷ 5/12 = ______
4/5
5/36
36/5
42
The speed of light is?
1,860,000 miles/second
18,600 miles/ second
3 x10 8 m/s
3 x 10-8 m/s
43
Ability to do work.
mass
atoms
energy
matter
44
Sovle for X: 3x=21+6
9
27
3
45
Solve for x: 20/x=500/700
2.8
.142
28
46
Which of the following refers to the number of protons in the nucleus of an atom?
atomic mass
compound
atomic number
element
47
1,000,000 is 10 to what exponent?
104
106
105
107
48
The nucleus has what charge? +. -. or neutral?
negative
positive
neutral
49
The maximum number of electrons in the P shell is?
98
32
72
8
50
5 kV is equal to how many Volts?
500 V
.05 V
5,000 V
.005 V
