Question 1

If a hydrogen atom and a helium atom have the same kinetic energy,

Accepted Answer

A)   the wavelength of the hydrogen atom will be about 4 times longer than the wavelength of the helium atom.
B)   the wavelength of the hydrogen atom will be about 2 times longer than the wavelength of the helium.
C)   the wavelength of the hydrogen atom will be roughly equal to the wavelength of the helium atom.
D)   the wavelength of the helium atom will be about 2 times longer than the wavelength of the hydrogen atom.
E)   the wavelength of the helium atom will be about 4 times longer than the wavelength of the hydrogen atom.F) A) and B)
G) B) and C)

Question 2

What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10-13 J (Mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 *10-27 kg)

Accepted Answer

A)   8.4 * 10-15 m
B)   7.4 * 10-15 m
C)   6.4 * 10-15 m
D)   5.4 * 10-15 m
E)   None of the aboveF) B) and D)
G) A) and B)

Question 3

Which of the following, if any, is the correct ground state electron configuration for Ni

Accepted Answer

A)   [Ar] 4s23d5 or 1s22s22p63s23p64s23d5
B)   [Ar] 4s23d6 or 1s22s22p63s23p64s23d6
C)   [Ar] 4s23d7 or 1s22s22p63s23p64s23d7
D)   [Ar] 4s23d8 or 1s22s22p63s23p64s23d8
E)   None of the aboveF) B) and C)
G) All of the above

Question 4

Which of the following electronic transitions is consistent with a decrease in energy

Accepted Answer

A)   From a 5s subshell to a 4d subshell
B)   From a 4f subshell to a 5p subshell
C)   From a 6s subshell to a 5d subshell
D)   From a 5s subshell to a 5p subshell
E)   From a 4f subshell to a 6p subshellF) A) and E)
G) A) and B)

Question 5

An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Accepted Answer

A)   2.948 m
B)   2.958 m
C)   2.968 m
D)   2.978 m
E)   None of the aboveF) B) and D)
G) D) and E)

Question 6

Which of the following is the ground-state electron configuration of Ir

Accepted Answer

A)   [Xe]6s25d7
B)   [Xe]6s26d7
C)   [Xe]6s24f145d7
D)   [Xe]6s25f146d7
E)   [Xe]4s25f146d7F) All of the above
G) None of the above

Question 7

If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element

Accepted Answer

A)   Sulfur
B)   Argon
C)   Bromine
D)   Potassium
E)   None of the aboveF) A) and D)
G) None of the above

Question 8

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 C)
G) B) and E)

Question 9

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 10

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

Accepted Answer

A)   1.80 * 10-3 nm
B)   556 nm
C)   618 nm
D)   6180 nm
E)   1.61 * 1023 nmF) D) and E)
G) B) and E)

Question 11

The electron configuration of a ground-state vanadium atom is

Accepted Answer

A)   [Ar]4s24d3.
B)   [Ar]4s24p3.
C)   [Ar]4s23d3.
D)   [Ar]3d5.E) B) and C)
F) A) and D)

Question 12

Which, if any, represents the ground state electron configuration for the selenium atom

Accepted Answer

A)   [Ar] 4s23d104p3 or 1s22s22p63s23p64s23d104p3
B)   [Ar] 4s23d103p4 or 1s22s22p63s23p64s23d103p4
C)   [Kr] 4s23d104p4 or 1s22s22p63s23p64s23d104p4
D)   [Ar] 4s23d104p4 or 1s22s22p63s23p64s23d104p4
E)   None of the AboveF) C) and D)
G) A) and B)

Question 13

What is the ground-state electron configuration for chlorine

Accepted Answer

A)   1s22s22p63s23p4 or [Ne]3s23p4
B)   1s22s22p63s2 or [Ne]3s2
C)   1s22s22p63s23p6 or [Ne]3s23p6
D)   1s22s22p63s23p5 or [Ne]3s23p5
E)   None of the aboveF) C) and D)
G) A) and B)

Question 14

Which of the following is the ground-state electron configuration of Pb

Accepted Answer

A)   [Xe]6s25d106p2
B)   [Xe]6s26d106p2
C)   [Xe]6s24f146p2
D)   [Xe]6s25f146d106p2
E)   [Xe]6s24f145d106p2F) A) and E)
G) C) and D)

Question 15

The orbital diagram for a ground-state oxygen atom is

Accepted Answer

The answer of The orbital diagram for a ground-state oxygen...

Question 16

Which of the following is the electron configuration of an excited state of an oxygen atom

Accepted Answer

A)   1s22s22p4
B)   1s22s22p5
C)   1s22s22p33s1
D)   1s22s22p6
E)   1s22s22p3F) B) and E)
G) C) and D)

Question 17

An AM radio station broadcasts at a frequency of 1270 kHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Accepted Answer

A)   256 m
B)   236 m
C)   216 m
D)   196 m
E)   None of the aboveF) C) and D)
G) D) and E)

Question 18

How many orbitals are allowed in a subshell if l = 2

Accepted Answer

A)   1
B)   3
C)   5
D)   7
E)   9F) A) and B)
G) B) and E)

Question 19

What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m (c = 2.9979 * 108 m/s; h = 6.626 * 10-34 J.s)

Accepted Answer

A)   2.70 * 10-43 J
B)   5.43 * 10-33 J
C)   1.63 * 10-24 J
D)   4.07 * 10-10 J
E)   2.46 * 109 JF) A) and B)
G) A) and C)

Question 20

Which one of the following sets of quantum numbers represents an electron with the highest energy

Accepted Answer

A)   n = 2, l = 1, ml = 0, ms = +1/2
B)   n = 3, l = 0, ml = 0, ms = -1/2
C)   n = 2, l = 0, ml = 0, ms = +1/2
D)   n = 3, l = 2, ml = 1, ms = -1/2
E)   n = 3, l = 1, ml = 1, ms = +1/2F) B) and D)
G) A) and B)

Exam 7: Quantum Theory and the Electronic Structure of Atoms

What is the ground-state electron configuration for chlorine

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Which of the following is the ground-state electron configuration of Pb

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If one electron is added to the outer shell of chlorine, it would have the same electron configuration as what element

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Which of the following electronic transitions is consistent with a decrease in energy

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Which of the following, if any, is the correct ground state electron configuration for Ni

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An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Correct AnswerverifiedShow Answer

An AM radio station broadcasts at a frequency of 1270 kHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 108 m/s)

Correct AnswerverifiedShow Answer

What is the wavelength of radiation that has a frequency of 5.39 * 1014 s-1? (c = 2.9979 * 108 m/s)

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The electron configuration of a ground-state vanadium atom is

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Which one of the following sets of quantum numbers represents an electron with the highest energy

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

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Which of the following is the electron configuration of an excited state of an oxygen atom

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Which, if any, represents the ground state electron configuration for the selenium atom

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What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m (c = 2.9979 * 108 m/s; h = 6.626 * 10-34 J.s)

Correct AnswerverifiedShow Answer

The orbital diagram for a ground-state oxygen atom is

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If a hydrogen atom and a helium atom have the same kinetic energy,

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How many orbitals are allowed in a subshell if l = 2

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What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10-13 J (Mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 *10-27 kg)

Correct AnswerverifiedShow Answer

Which of the following is the ground-state electron configuration of Ir

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

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An FM radio station broadcasts at a frequency of 101.7 MHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 10⁸ m/s)

Correct Answer
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An AM radio station broadcasts at a frequency of 1270 kHz. Calculate the wavelength of the broadcast signal in meters. (c = 2.9979 * 10⁸ m/s)

Correct Answer
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What is the wavelength of radiation that has a frequency of 5.39 * 10¹⁴ s^-1? (c = 2.9979 * 10⁸ m/s)

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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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What is the energy in joules of one photon of microwave radiation with a wavelength 0.122 m (c = 2.9979 * 10⁸ m/s; h = 6.626 * 10^-34 J.s)

Correct Answer
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What is the wavelength, in meters, of an alpha particle with a kinetic energy of 8.0 * 10^-13 J (Mass of an alpha particle = 4.00150 amu; 1 amu = 1.67 *10^-27 kg)

Correct Answer
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