Question 1

The second line of the Balmer series occurs at a wavelength of 486.1 nm.What is the energy difference between the initial and final levels of the hydrogen atom in this emission process?

Accepted Answer

A)  2.44 × 1018 J
B)  4.09 × 10-19 J
C)  4.09 × 10-22 J
D)  4.09 × 10-28 J
E)  1.07 × 10-48 JF) A) and E)
G) A) and C)

Question 2

Which of the following atoms is diamagnetic in its ground-state?

Accepted Answer

A)  Ca
B)  As
C)  Cu
D)  Fe
E)  none of theseF) C) and D)
G) A) and B)

Question 3

Which element has the following ground-state electron configuration? [Kr]5s24d105p3

Accepted Answer

A)  Sn
B)  Sb
C)  Pb
D)  Bi
E)  TeF) C) and D)
G) A) and B)

Question 4

How many unpaired electrons does an atom of carbon have in its ground state?

Accepted Answer

A)  0
B)  1
C)  2
D)  3
E)  4F) All of the above
G) A) and B)

Question 5

What is the electron configuration of calcium?

Accepted Answer

1s²2s²2p⁶3s²3p...

Question 6

Write the ground state electron configuration for Ni.

Accepted Answer

[Ar] 4s²3d⁸o...

Question 7

The electron configuration of a ground-state copper atom is

Accepted Answer

A)  [Ar]4s24d4
B)  [Ar]4s24p63d3
C)  [Ar]4s23d9
D)  [Ar]3d9
E)  [Ar]4s13d10F) None of the above
G) A) and B)

Question 8

Breaking the oxygen-oxygen bond in hydrogen peroxide requires 210 kJ/mol.What is the longest wavelength of light that can cause this bond to be broken?

Accepted Answer

A)  5.7 × 10-4 m
B)  9.5 × 10-31 m
C)  2.8 × 10-7 m
D)  9.5 × 10-28 m
E)  5.7 × 10-7 mF) C) and E)
G) A) and C)

Question 9

The following set of quantum numbers is correct.
n = 3, l = 3, ml = 0, ms = +1/2

Accepted Answer

A) True 
 B)False

Question 10

Write the ground state electron configuration for the phosphorus atom.

Accepted Answer

[Ne] 3s²3p³o...

Question 11

Write the ground state electron configuration for an iodine atom.

Accepted Answer

[Kr] 5s²4d¹⁰5...

Question 12

If we take away two electrons from the outer shell of calcium, it would have the same electron configuration as what element?

Accepted Answer

The answer of If we take away two electrons from...

Question 13

Using the figure below, categorize electromagnetic radiation with an energy of 6.7 x 10-18 J/photon. -18 J/photon.   A) Gamma rays B) X rays C) Ultraviolet D) Infrared E) Microwave" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  Gamma rays
B)  X rays
C)  Ultraviolet
D)  Infrared
E)  MicrowaveF) C) and D)
G) A) and D)

Question 14

A photon is roughly 1800 times more massive than an electron.If a proton and an electron have the same kinetic energy,

Accepted Answer

A)  the wavelength of the photon will be about 1800 times longer than the wavelength of the electron.
B)  the wavelength of the photon will be about  times longer than the wavelength of the electron.
C)  the wavelength of the photon will be roughly equal to the wavelength of the electron.
D)  the wavelength of the electron will be about  times longer than the wavelength of the photon.
E)  the wavelength of the electron will be about 1800 times longer than the wavelength of the photon.F) C) and D)
G) B) and E)

Question 15

What is the wavelength (nm)for a photon of light with an energy of 3.20 x 10-19 J/photon?

Accepted Answer

Question 16

There is nothing wrong with the following set of quantum numbers:
n = 3, l = 1, ml = 0, ms = +1/2

Accepted Answer

A) True 
 B)False

Question 17

Each shell (principal energy level)of quantum number n contains n subshells

Accepted Answer

A) True 
 B)False

Question 18

The electron configuration of a ground-state Co atom is

Accepted Answer

A)  [Ar]4s23d7
B)  1s22s22p63s23d9
C)  [Ne]3s23d7
D)  [Ar]4s13d5
E)  [Ar]4s24d7F) C) and D)
G) A) and B)

Question 19

Rank the following types of electromagnetic radiation from lowest energy to highest energy: infrared, microwave, radio waves, gamma rays, visible, and ultraviolet.

Accepted Answer

radio waves < microw...

Question 20

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 102 nm?

Accepted Answer

A)  4.72 × 10-43 J
B)  1.71 × 105 J
C)  12.4 kJ
D)  256 kJ
E)  2.12 × 1042 JF) C) and D)
G) B) and E)

Exam 7: Quantum Theory and the Electronic Structure of Atoms

What is the wavelength (nm)for a photon of light with an energy of 3.20 x 10-19 J/photon?

Correct AnswerverifiedShow Answer

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 102 nm?

Correct AnswerverifiedShow Answer

Write the ground state electron configuration for Ni.

Correct Answerverified[Ar] 4s23d8 o...View AnswerShow Answer

Which element has the following ground-state electron configuration? [Kr]5s24d105p3

Correct AnswerverifiedShow Answer

A photon is roughly 1800 times more massive than an electron.If a proton and an electron have the same kinetic energy,

Correct AnswerverifiedShow Answer

Breaking the oxygen-oxygen bond in hydrogen peroxide requires 210 kJ/mol.What is the longest wavelength of light that can cause this bond to be broken?

Correct AnswerverifiedShow Answer

Write the ground state electron configuration for an iodine atom.

Correct Answerverified[Kr] 5s24d105...View AnswerShow Answer

Which of the following atoms is diamagnetic in its ground-state?

Correct AnswerverifiedShow Answer

The electron configuration of a ground-state copper atom is

Correct AnswerverifiedShow Answer

Each shell (principal energy level)of quantum number n contains n subshells

Correct AnswerverifiedShow Answer

The electron configuration of a ground-state Co atom is

Correct AnswerverifiedShow Answer

Rank the following types of electromagnetic radiation from lowest energy to highest energy: infrared, microwave, radio waves, gamma rays, visible, and ultraviolet.

Correct Answerverifiedradio waves < microw...View AnswerShow Answer

What is the electron configuration of calcium?

Correct Answerverified1s22s22p63s23p...View AnswerShow Answer

Write the ground state electron configuration for the phosphorus atom.

Correct Answerverified[Ne] 3s23p3 o...View AnswerShow Answer

How many unpaired electrons does an atom of carbon have in its ground state?

Correct AnswerverifiedShow Answer

The following set of quantum numbers is correct. n = 3, l = 3, ml = 0, ms = +1/2

Correct AnswerverifiedShow Answer

The second line of the Balmer series occurs at a wavelength of 486.1 nm.What is the energy difference between the initial and final levels of the hydrogen atom in this emission process?

Correct AnswerverifiedShow Answer

Using the figure below, categorize electromagnetic radiation with an energy of 6.7 x 10-18 J/photon.

Correct AnswerverifiedShow Answer

If we take away two electrons from the outer shell of calcium, it would have the same electron configuration as what element?

Correct AnswerverifiedShow Answer

There is nothing wrong with the following set of quantum numbers: n = 3, l = 1, ml = 0, ms = +1/2

Correct AnswerverifiedShow Answer

What is the wavelength (nm)for a photon of light with an energy of 3.20 x 10^-19 J/photon?

Correct Answer
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What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 10² nm?

Correct Answer
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[Ar] 4s²3d⁸o...
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Which element has the following ground-state electron configuration? [Kr]5s²4d¹⁰5p³

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[Kr] 5s²4d¹⁰5...
View Answer

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radio waves < microw...
View Answer

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1s²2s²2p⁶3s²3p...
View Answer

Correct Answer
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[Ne] 3s²3p³o...
View Answer

Correct Answer
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The following set of quantum numbers is correct. n = 3, l = 3, m_l= 0, m_s= +1/2

Correct Answer
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Correct Answer
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Using the figure below, categorize electromagnetic radiation with an energy of 6.7 x 10^-18 J/photon.

Correct Answer
verified

Correct Answer
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There is nothing wrong with the following set of quantum numbers: n = 3, l = 1, m_l= 0, m_s= +1/2

Correct Answer
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