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IMT 321 Unit 1 Review Flashcards | StudBud
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IMT 321 Unit 1 Review
IMT 321 Unit 1 Review
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1
Which one is true of wavelength?
It's inversely proportional to velocity
It's directly proportional to frequency
It's not related to frequency
It's inversely proportional to frequency
2
What is the name given to elements that possess 8 electrons in their outer shells?
Ion
Substance
Isobar
Stable
3
Frequency is measured in units of:
lambda
nu
hertz
angstrom
4
X-rays can break chemical bonds.
False
True
5
Energy is created continuously.
True
False
6
There are how many confirmed elements on the periodic table?
85
130
57
118
7
Select Planck's equation.
3 x 108
E = hv
2n2
4.15 x 10-15
8
Which term is NOT used to describe the x-ray beam as it exits the tube?
Divergent
Homogeneous
Polyenergetic
Isotropic
9
_______ cannot be broken down into simpler substances by ordinary means.
Mixtures
Compounds
Matter
Elements
10
The distance from crest to crest on a wave represents the:
Trough
Amplitude
Frequency
Wavelength
11
Which subatomic particles have approx. the same mass?
n0 and e-
e- and p+
p+ and n0
p+ and nucleons
12
The smallest part of an element that retains all the properties of that element is:
nuclide
isotope
molecule
atom
13
The letter c represents the speed of light.
False
True
14
Which form of EM radiation has the shortest wavelength?
Gamma rays
Visible light
Microwaves
Ultraviolet
15
The Greek letter lambda (ƛ) is associated with:
Frequency
Wavelength
Energy
Velocity
16
Which wave has the lowest frequency?
Not enough information to tell
C
A
B
17
If an atom loses a proton, the ion will have a ______ charge.
positive
negative
neutral
18
X-rays travel in bundles of energy known as:
Quarks
Phasers
Photons
Electromagnetic bursts
19
Heat is released when x-rays interact with matter.
False
True
20
Which wave has the highest energy?
Not enough information to tell
A
C
B
21
What's the maximum number of electrons allowed in the outermost shell of an atom in the 6th period?
8
18
50
6
22
In wave theory, a period is defined as:
wave energy
the end of a wave
the time required to complete one cycle
wave intensity
23
The maximum number of orbital shells in an atom is:
10
6
8
7
24
Which of the following represents the mass of an electron?
1.675 x 10-27
3 x 108
1.673 x 10-31
9.109 x 10-31
25
The sum of protons and neutrons represents an element's:
quantum number
atomic mass
number of orbital shells
atomic number
26
Electric energy is ______ in motion.
elements
molecules
electrons
atoms
27
Which orbital shell has the strongest binding energy?
The shell with 8 electrons
K shell
Outermost
Q shell
28
The lowest point on a wave is the:
Frequency
Amplitude
Crest
Trough
29
If an element is found in the third period, how many shells does it have?
2
4
3
1
30
The highest point on a wave is the:
Crest
Trough
Wavelength
Amplitude
31
How many electrons may appear in the O shell of an atom?
50
72
98
18
32
Wavelength is measured in units of:
Angstrom
Hertz
Nu
Lambda
33
If an element is found in the eighth group, how many valence electrons does it have?
8
7
3
6
34
A radiolucent materials allows ______ to pass through.
light
sound
radiation
alpha particles
35
A photon with a short wavelength will have _____ energy.
no
high
low
36
When an atom's outer shell is completely filled, it is considered:
reactive
unstable
radioactive
chemically stable
37
X-ray photons have no mass.
True
False
38
______ remains constant for waves on the EM spectrum.
Frequency
Velocity
Wavelength
Energy
39
Which of the following is NOT a form of EM energy?
Microwaves
Ultrasonic waves
Ultraviolet waves
Radio waves
40
Select the wave equation.
E = hv
c = vƛ
W = F x D
4.15 x 10-15
41
The atomic number is equal to the number of:
nucleons
electrons
chemical bonds
protons
42
The maximum number of electrons found in any orbital shell is determined by:
E = hv
W = F x D
2n2
c = nƛ
43
The number of wave cycles per second describes the:
Wavelength
Amplitude
Velocity
Frequency
44
An element with an atomic number of 37 has how many electrons in the L shell?
8
2
18
37
45
X-rays are which type of energy?
Chemical
Nuclear
Electromagnetic
Electric
46
A low-energy photon is represented by a short wavelength.
True
False
47
On the periodic table, periods:
run vertically down the table
are arranged in columns
determine number of valence electrons
represent the number of orbital shells
48
On the periodic table, groups:
run horizontally
have the same electron binding energies
have the same outer-shell electron number
represent number of orbital shells
49
The energy required to eject an electron from orbit is known as:
chemical breakage
ionizing energy
binding energy
wave energy
50
The distance between the crest and trough of a wave represents its:
Velocity
Amplitude
Wavelength
Frequency
51
Which Greek letter represents frequency?
Ʋ
c
ƛ
Å