Question 1

The ground-state electron configuration for an atom of indium is

Accepted Answer

A)   [Kr]5s24p64d5.
B)   [Ar]4s23d104p1.
C)   [Ar]4s24p63d5.
D)   [Kr]5s25p64d5.
E)   [Kr]5s24d105p1.F) C) and E)
G) D) and E)

Question 2

A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga)  in its ground state is

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) C) and D)
G) None of the above

Question 3

Which element has the following ground-state electron configuration? 1s2 2s2 2p6 3s2

Accepted Answer

A)   Na
B)   Mg
C)   Al
D)   Si
E)   NeF) A) and C)
G) A) and E)

Question 4

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

Accepted Answer

A) True 
 B)False

Question 5

An electron in a 3p orbital could have a value of 2 for its angular momentum quantum number (l).

Accepted Answer

A) True 
 B)False

Question 6

What is the electron configuration for bromine?

Accepted Answer

A)   1s22s22p63s23p64s14d104p6
B)   1s22s22p63s23p64s24d104p5
C)   1s22s22p63s23p64s13d104p6
D)   1s22s22p63s23p64s23d104p4
E)   1s22s22p63s23p64s23d104p5F) B) and E)
G) B) and D)

Question 7

If one s orbital were combined with one p orbital (dumbbell shaped) , which would best describe the resulting shape?

Accepted Answer

A)   spherical
B)   mostly spherical, slightly dumbbell
C)   an equal ratio of spherical and dumbbell
D)   slightly spherical, mostly dumbbell
E)   mostly dumbbellF) A) and B)
G) A) and C)

Question 8

Line spectra from all regions of the electromagnetic spectrum, including the Paschen series of infrared lines for hydrogen, are used by astronomers to identify elements present in the atmospheres of stars. Calculate the wavelength of the photon emitted when the hydrogen atom undergoes a transition from n = 5 to n = 3. (R = 1.096776 × 107 m-1)

Accepted Answer

A)   205.1 nm
B)   384.6 nm
C)   683.8 nm
D)   1282 nm
E)   > 1500 nmF) D) and E)
G) A) and D)

Question 9

What is the wavelength of light having a frequency of 4.8 × 1014 s-1? (c = 3.00 x 108 m/s)

Accepted Answer

A)   0.0016 nm
B)   1600 m
C)   630 nm
D)   1600 nm
E)   6.3 × 10-7 nmF) D) and E)
G) A) and B)

Question 10

According to scientist James Clerk Maxwell in the year 1873, a(n)  ________ consists of an electric field component and a magnetic field component.

Accepted Answer

A)   electrostatic wave
B)   isoelectric wave
C)   atom
D)   paramagnetic wave
E)   electromagnetic waveF) A) and E)
G) A) and D)

Question 11

________ is the wavelength associated with a moving particle.

Accepted Answer

A)   The de Broglie wavelength
B)   The Heisenburg wavelength
C)   The Hund wavelength
D)   The Aufbau wavelength
E)   None of the answers is correct.F) B) and C)
G) A) and C)

Question 12

The number of orbitals in a d subshell is

Accepted Answer

A)   1.
B)   2.
C)   3.
D)   5.
E)   7.F) B) and D)
G) B) and C)

Question 13

In not more than three lines for each answer, briefly outline one important scientific contribution of each of the following.
a) Planck
b) De Broglie
c) Heisenberg

Accepted Answer

a. Planck is responsible for first propo...

Question 14

According to ________, no two electrons in an atom can have the same four quantum numbers.

Accepted Answer

the Pauli ...

Question 15

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 102 nm? (c = 3.00 × 108 m/s; h = 6.63 × 10-34 J • s; NA = 6.022 × 1023 /mole)

Accepted Answer

A)   256 kJ
B)   1.71 × 105 J
C)   4.72 × 10-43 J
D)   12.4 kJ
E)   2.12 × 1042 JF) B) and E)
G) None of the above

Question 16

In the quantum mechanical treatment of the hydrogen atom, which one of the following combinations of quantum numbers is not allowed?

Accepted Answer

A)   A
B)   B
C)   C
D)   D
E)   EF) None of the above
G) C) and D)

Question 17

________ is directly proportional to the frequency of a wave.

Accepted Answer

The answer of ________ is directly proportional to the frequency...

Question 18

When a solid is heated, it emits electromagnetic radiation known as ________. An example of such radiation is the element of a stove stop burning bright red.

Accepted Answer

A)   isoelectric radiation
B)   visible and ultraviolet radiation
C)   blackbody radiation
D)   paramagnetic radiation
E)   whitebody radiationF) A) and B)
G) C) and D)

Question 19

The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

Accepted Answer

A)   n.
B)   n + 1.
C)   2n.
D)   2n2.
E)   n2.F) B) and E)
G) All of the above

Question 20

________ is the number of subshells in the shell designated as n = 2.

Accepted Answer

The answer of ________ is the number of subshells in...

Exam 6: Quantum Theory and the Electronic Structure of Atoms

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According to ________, no two electrons in an atom can have the same four quantum numbers.

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the Pauli ...
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The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

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In not more than three lines for each answer, briefly outline one important scientific contribution of each of the following. a) Planck b) De Broglie c) Heisenberg

Correct Answer
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a. Planck is responsible for first propo...
View Answer

If one s orbital were combined with one p orbital (dumbbell shaped) , which would best describe the resulting shape?

Correct Answer
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The number of orbitals in a d subshell is

Correct Answer
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________ is directly proportional to the frequency of a wave.

Correct Answer
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________ is the wavelength associated with a moving particle.

Correct Answer
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When a solid is heated, it emits electromagnetic radiation known as ________. An example of such radiation is the element of a stove stop burning bright red.

Correct Answer
verified

What is the electron configuration for bromine?

Correct Answer
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According to scientist James Clerk Maxwell in the year 1873, a(n) ________ consists of an electric field component and a magnetic field component.

Correct Answer
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Which element has the following ground-state electron configuration? 1s² 2s² 2p⁶ 3s²

Correct Answer
verified

A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is

Correct Answer
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In the quantum mechanical treatment of the hydrogen atom, which one of the following combinations of quantum numbers is not allowed?

Correct Answer
verified

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 10² nm? (c = 3.00 × 10⁸m/s; h = 6.63 × 10^-34 J • s; N_A = 6.022 × 10²³ /mole)

Correct Answer
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The ground-state electron configuration for an atom of indium is

Correct Answer
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________ is the number of subshells in the shell designated as n = 2.

Correct Answer
verified

What is the wavelength of light having a frequency of 4.8 × 10¹⁴ s^-1? (c = 3.00 x 10⁸m/s)

Correct Answer
verified

An electron in a 3p orbital could have a value of 2 for its angular momentum quantum number (l).

Correct Answer
verified

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

Correct Answer
verified

Exam 6: Quantum Theory and the Electronic Structure of Atoms

Correct AnswerverifiedShow Answer

According to ________, no two electrons in an atom can have the same four quantum numbers.

Correct Answerverifiedthe Pauli ...View AnswerShow Answer

The maximum number of electrons that can occupy an energy level described by the principal quantum number, n, is

Correct AnswerverifiedShow Answer

In not more than three lines for each answer, briefly outline one important scientific contribution of each of the following. a) Planck b) De Broglie c) Heisenberg

Correct Answerverifieda. Planck is responsible for first propo...View AnswerShow Answer

If one s orbital were combined with one p orbital (dumbbell shaped) , which would best describe the resulting shape?

Correct AnswerverifiedShow Answer

The number of orbitals in a d subshell is

Correct AnswerverifiedShow Answer

________ is directly proportional to the frequency of a wave.

Correct AnswerverifiedShow Answer

________ is the wavelength associated with a moving particle.

Correct AnswerverifiedShow Answer

When a solid is heated, it emits electromagnetic radiation known as ________. An example of such radiation is the element of a stove stop burning bright red.

Correct AnswerverifiedShow Answer

What is the electron configuration for bromine?

Correct AnswerverifiedShow Answer

According to scientist James Clerk Maxwell in the year 1873, a(n) ________ consists of an electric field component and a magnetic field component.

Correct AnswerverifiedShow Answer

Which element has the following ground-state electron configuration? 1s2 2s2 2p6 3s2

Correct AnswerverifiedShow Answer

A possible set of quantum numbers for the last electron added to complete an atom of gallium (Ga) in its ground state is

Correct AnswerverifiedShow Answer

In the quantum mechanical treatment of the hydrogen atom, which one of the following combinations of quantum numbers is not allowed?

Correct AnswerverifiedShow Answer

What is the energy in joules of a mole of photons associated with red light of wavelength 7.00 × 102 nm? (c = 3.00 × 108 m/s; h = 6.63 × 10-34 J • s; NA = 6.022 × 1023 /mole)

Correct AnswerverifiedShow Answer

The ground-state electron configuration for an atom of indium is

Correct AnswerverifiedShow Answer

________ is the number of subshells in the shell designated as n = 2.

Correct AnswerverifiedShow Answer

What is the wavelength of light having a frequency of 4.8 × 1014 s-1? (c = 3.00 x 108 m/s)

Correct AnswerverifiedShow Answer

An electron in a 3p orbital could have a value of 2 for its angular momentum quantum number (l).

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

Correct Answer
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the Pauli ...
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Correct Answer
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a. Planck is responsible for first propo...
View Answer

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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Which element has the following ground-state electron configuration? 1s² 2s² 2p⁶ 3s²

Correct Answer
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Correct Answer
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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? (c = 3.00 × 10⁸m/s; h = 6.63 × 10^-34 J • s; N_A = 6.022 × 10²³ /mole)

Correct Answer
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Correct Answer
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Correct Answer
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What is the wavelength of light having a frequency of 4.8 × 10¹⁴ s^-1? (c = 3.00 x 10⁸m/s)

Correct Answer
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Correct Answer
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Correct Answer
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