Question 1

Calculate the frequency of light associated with the transition from   in the hydrogen atom.

Accepted Answer

A)  2.19 × 1014 s-1 
B)  5.59 × 1014 s-1 
C)  4.57 × 1014 s-1 
D)  1.79 × 1014 s-1 
E)  3.28 × 1014 s-1 
A)  2.19 × 1014 s-1 
B)  5.59 × 1014 s-1 
C)  4.57 × 1014 s-1 
D)  1.79 × 1014 s-1 
E)  3.28 × 1014 s-1

Question 2

Which statement about electromagnetic radiation is correct?

Accepted Answer

A)  The amplitude of a wave depends on the frequency. 
B)  As the wavelength decreases the energy decreases. 
C)  As the energy decreases the frequency decreases. 
D)  The wavelength and frequency are independent of each other. 
E)  Radio waves have a smaller wavelength than visible light. 
A)  The amplitude of a wave depends on the frequency. 
B)  As the wavelength decreases the energy decreases. 
C)  As the energy decreases the frequency decreases. 
D)  The wavelength and frequency are independent of each other. 
E)  Radio waves have a smaller wavelength than visible light.

Question 3

For n = 3,what are the possible sublevels?

Accepted Answer

A)  0 
B)  0, 1 
C)  0, 1, 2 
D)  0, 1, 2, 3 
A)  0 
B)  0, 1 
C)  0, 1, 2 
D)  0, 1, 2, 3

Question 4

What is the maximum number of s orbitals that are possible in a given shell?

Accepted Answer

A)  1 
B)  3 
C)  7 
D)  5 
E)  9 
A)  1 
B)  3 
C)  7 
D)  5 
E)  9

Question 5

Identify the color of a flame test for potassium.

Accepted Answer

A)  violet 
B)  red 
C)  white 
D)  yellow 
E)  blue 
A)  violet 
B)  red 
C)  white 
D)  yellow 
E)  blue

Question 6

What value of l is represented by a d orbital?

Accepted Answer

A)  1 
B)  2 
C)  0 
D)  3 
A)  1 
B)  2 
C)  0 
D)  3

Question 7

What is the maximum number of d orbitals that are possible in a given shell?

Accepted Answer

A)  1 
B)  3 
C)  7 
D)  5 
E)  9 
A)  1 
B)  3 
C)  7 
D)  5 
E)  9

Question 8

Give an example of a p orbital.

Accepted Answer

The answer of Give an example of a p orbital....

Question 9

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m/s.

Accepted Answer

A)  7.60 × 10-36 m 
B)  1.32 × 10-34 m 
C)  2.15 × 10-32 m 
D)  2.68 × 10-34 m 
E)  3.57 × 10-32 m 
A)  7.60 × 10-36 m 
B)  1.32 × 10-34 m 
C)  2.15 × 10-32 m 
D)  2.68 × 10-34 m 
E)  3.57 × 10-32 m

Question 10

Electromagnetic radiation with a wavelength of 575 nm appears as yellow light to the human eye.The energy of one photon of this light is 3.46 ×   J.Thus,a laser that emits   of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Accepted Answer

A)  2.7 ×   
B)  7.8 × 10-24 
C)  2.2 ×   
D)  3.8 ×   
E)  6.5 ×   
A)  2.7 ×   
B)  7.8 × 10-24 
C)  2.2 ×   
D)  3.8 ×   
E)  6.5 ×

Question 11

Each of the following sets of quantum numbers is supposed to specify an orbital.Choose the one set of quantum numbers that does NOT contain an error.

Accepted Answer

A)  n = 2, l = 2, ml =+1 
B)  n = 2, l = -1, ml =0 
C)  n = 3, l = 2, ml =+3 
D)  n = 4, l = 3, ml =-2 
E)  n = 4, l = 2, ml =+4 
A)  n = 2, l = 2, ml =+1 
B)  n = 2, l = -1, ml =0 
C)  n = 3, l = 2, ml =+3 
D)  n = 4, l = 3, ml =-2 
E)  n = 4, l = 2, ml =+4

Question 12

Identify the color that has a wavelength of 480 nm.

Accepted Answer

A)  blue 
B)  green 
C)  red 
D)  yellow 
A)  blue 
B)  green 
C)  red 
D)  yellow

Question 13

What is the frequency of light with a wavelength of 0.440 uM?

Accepted Answer

A)  6.81 × 1014 sec-1 
B)  2.55 × 1013 sec-1 
C)  7.28 × 1014 sec-1 
D)  6.81 × 1011 sec-1 
E)  5.93 × 1011 sec-1 
A)  6.81 × 1014 sec-1 
B)  2.55 × 1013 sec-1 
C)  7.28 × 1014 sec-1 
D)  6.81 × 1011 sec-1 
E)  5.93 × 1011 sec-1

Question 14

Identify the correct values for a 3p sublevel.

Accepted Answer

A)  n = 3, l = 1, ml = 0 
B)  n = 2, l = 1, ml = +2 
C)  n = 1, l = 0, ml = 0 
D)  n = 2, l = 0, ml = 0 
E)  n = 4, l = -1, ml = 0 
A)  n = 3, l = 1, ml = 0 
B)  n = 2, l = 1, ml = +2 
C)  n = 1, l = 0, ml = 0 
D)  n = 2, l = 0, ml = 0 
E)  n = 4, l = -1, ml = 0

Question 15

What is the maximum number of p orbitals that are possible in a given shell?

Accepted Answer

A)  1 
B)  3 
C)  7 
D)  5 
E)  9 
A)  1 
B)  3 
C)  7 
D)  5 
E)  9

Question 16

A scientist shines light with energy greater than the binding energy of platinum on a thin film of it.The same scientist then repeats the experiment with a higher intensity light.According to the photoelectric effect,what should be observed?

Accepted Answer

A)  No electrons are ejected in either experiment. 
B)  Electrons are not ejected in the first experiment, but are in the second. 
C)  Electrons are ejected in both experiments, but the first experiment takes longer to eject electrons than the second. 
D)  Electrons are ejected in both experiments at the exact same time. 
E)  Electrons are ejected in both experiments, but the second experiment takes longer to eject electrons than the first. 
A)  No electrons are ejected in either experiment. 
B)  Electrons are not ejected in the first experiment, but are in the second. 
C)  Electrons are ejected in both experiments, but the first experiment takes longer to eject electrons than the second. 
D)  Electrons are ejected in both experiments at the exact same time. 
E)  Electrons are ejected in both experiments, but the second experiment takes longer to eject electrons than the first.

Question 17

Which of the following occur as the wavelength of a photon increases?

Accepted Answer

A)  The frequency decreases. 
B)  The energy increases. 
C)  The speed decreases. 
D)  Planck's constant decreases. 
E)  None of the above occur as the wavelength of a photon increases. 
A)  The frequency decreases. 
B)  The energy increases. 
C)  The speed decreases. 
D)  Planck's constant decreases. 
E)  None of the above occur as the wavelength of a photon increases.

Question 18

Which of the following quantum numbers describes the shape of an orbital?

Accepted Answer

A)  principal quantum number 
B)  magnetic quantum number 
C)  spin quantum number 
D)  Schrödinger quantum number 
E)  angular momentum quantum number 
A)  principal quantum number 
B)  magnetic quantum number 
C)  spin quantum number 
D)  Schrödinger quantum number 
E)  angular momentum quantum number

Question 19

Describe the shape of an s orbital.

Accepted Answer

A)  spherical 
B)  dumbbell shaped 
C)  three lobes 
D)  four lobes 
E)  eight lobes 
A)  spherical 
B)  dumbbell shaped 
C)  three lobes 
D)  four lobes 
E)  eight lobes

Question 20

How much energy (in kJ)is required to ionize 1.97 moles of hydrogen atoms?

Accepted Answer

A)  1.29 × 103 kJ 
B)  1.19 × 103 kJ 
C)  4.29 × 103 kJ 
D)  2.59 × 103 kJ 
E)  5.89 × 103 kJ 
A)  1.29 × 103 kJ 
B)  1.19 × 103 kJ 
C)  4.29 × 103 kJ 
D)  2.59 × 103 kJ 
E)  5.89 × 103 kJ

Exam 3: The Quantum Mechanical Model of the Atom

Calculate the frequency of light associated with the transition from in the hydrogen atom.

Which statement about electromagnetic radiation is correct?

For n = 3,what are the possible sublevels?

What is the maximum number of s orbitals that are possible in a given shell?

Identify the color of a flame test for potassium.

What value of l is represented by a d orbital?

What is the maximum number of d orbitals that are possible in a given shell?

Give an example of a p orbital.

Calculate the wavelength of a baseball (m = 155 g)moving at 32.5 m/s.

Electromagnetic radiation with a wavelength of 575 nm appears as yellow light to the human eye.The energy of one photon of this light is 3.46 × J.Thus,a laser that emits of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Each of the following sets of quantum numbers is supposed to specify an orbital.Choose the one set of quantum numbers that does NOT contain an error.

Identify the color that has a wavelength of 480 nm.

What is the frequency of light with a wavelength of 0.440 uM?

Identify the correct values for a 3p sublevel.

What is the maximum number of p orbitals that are possible in a given shell?

A scientist shines light with energy greater than the binding energy of platinum on a thin film of it.The same scientist then repeats the experiment with a higher intensity light.According to the photoelectric effect,what should be observed?

Which of the following occur as the wavelength of a photon increases?

Which of the following quantum numbers describes the shape of an orbital?

Describe the shape of an s orbital.

How much energy (in kJ)is required to ionize 1.97 moles of hydrogen atoms?

Essentials: Units, Measurements, and Problem Solving

Atoms

Periodic Properties of the Elements

Molecules and Compounds

Chemical Bonding I

Chemical Bonding Ii

Chemical Reactions and Chemical Quantities

Introduction to Solutions and Aqueous Reactions

Thermochemistry

Gases

Liquids, Solids, and Intermolecular Forces

Crystalline Solids and Modern Materials

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Free Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry

Transition Metals and Coordination Compounds

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