Question 1

Choose the valence orbital diagram that represents the ground state of Zn.

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 2

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m s-1 is ________ m. The mass of the electron is 9.11 × 10-28 g.

Accepted Answer

A)  8.25 × 109
B)  8.25 × 1012
C)  1.21 × 10-16
D)  1.21 × 10-13
E)  1.21 × 10-10

Question 3

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 = -2

Question 4

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10-19 J. Thus, a laser that emits 1.3 × 10-2 J of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Accepted Answer

A)  2.9 × 10-17
B)  9.2 × 10-24
C)  1.8 × 1019
D)  3.5 × 1016
E)  6.5 × 1013

Question 5

Determine the energy change associated with the transition from n = 2 to n = 5 in the hydrogen atom.

Accepted Answer

A)  -2.18 × 10-19 J
B)  +6.54 × 10-19 J
C)  +4.58 × 10-19 J
D)  -1.53 × 10-19 J
E)  +3.76 × 10-19 J

Question 6

Calculate the de Broglie wavelength of an egg with a mass of 60 g travelling at 32.18 m s-1.

Accepted Answer

A)  5.0 × 10-34 m
B)  2.8 × 10-34 m
C)  4.9 × 10-34 m
D)  1.2 × 10-34 m
E)  3.4 × 10-34 m

Question 7

Calculate the wavelength of an electron (m = 9.11 × 10-28 g) moving at 3.66 × 106 m s-1.

Accepted Answer

A)  1.99 × 10-10 m
B)  5.03 × 10-10 m
C)  1.81 × 10-10 m
D)  5.52 × 10-9 m
E)  2.76 × 10-9 m

Question 8

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle) to the Ne atom.

Accepted Answer

A)  n = 3, l = 1, ml = 1, ms = + l = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1 , ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2 , ml = 1, ms = -  " class="answers-bank-image d-inline" rel="preload" >
B)  n = 3, l = 0, ml = 1, ms = - l = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1 , ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2 , ml = 1, ms = -  " class="answers-bank-image d-inline" rel="preload" >
C)  n = 3, l = 2, ml =1 , ms = + l = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1 , ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2 , ml = 1, ms = -  " class="answers-bank-image d-inline" rel="preload" >
D)  n = 2, l = 1, ml = 1, ms = - l = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1 , ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2 , ml = 1, ms = -  " class="answers-bank-image d-inline" rel="preload" >
E)  n = 3, l =2 , ml = 1, ms = - l = 1, ms = +   
B)  n = 3, l = 0, ml = 1, ms = -   
C)  n = 3, l = 2, ml =1 , ms = +   
D)  n = 2, l = 1, ml = 1, ms = -   
E)  n = 3, l =2 , ml = 1, ms = -  " class="answers-bank-image d-inline" rel="preload" >

Question 9

What is the maximum number of d orbitals that are possible?

Accepted Answer

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

Question 10

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Accepted Answer

A)  4.85 × 10-19 J
B)  2.06 × 10-19 J
C)  1.23 × 10-19 J
D)  8.13 × 10-19 J
E)  5.27 × 10-19 J

Question 11

Determine the velocity of a marble (m = 8.66 g) with a wavelength of 3.46 × 10-33 m.

Accepted Answer

A)  45.2 m s-1
B)  11.3 m s-1
C)  22.1 m s-1
D)  38.8 m s-1
E)  52.9 m s-1

Question 12

The vertical height of a wave is called

Accepted Answer

A)  wavelength.
B)  amplitude.
C)  frequency.
D)  area.
E)  median.

Question 13

What are the possible orbitals for n = 3?

Accepted Answer

A)  s, p, d
B)  s, p, d, f
C)  s
D)  s, p

Question 14

Choose the diamagnetic species from below.

Accepted Answer

A)  Sn2⁺
B)  Br
C)  P
D)  Cr
E)  None of the above is diamagnetic.

Question 15

What are the possible values of l if n = 6?

Accepted Answer

A)  6
B)  0, 1, 2, 3, 4, or 5
C)  -4, -3, -2, -1, 0, +1, +2, +3, or +4
D)  -5, -4, -3, -2, -1, 0, +1, +2, +3, +4, or +5

Question 16

Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s-1.

Accepted Answer

A)  1.76 × 10-31 m
B)  6.43 × 10-37 m
C)  2.85 × 10-33 m
D)  8.19 × 10-32 m
E)  5.30 × 10-34 m

Question 17

Choose the ground-state electron configuration for Ti2⁺.

Accepted Answer

A)  [Ar]3d2
B)  [Ar]4s2
C)  [Ar]4s23d2
D)  [Ar]4s23d4
E)  [Ar]3d4

Question 18

Calculate the wavelength of light emitted from a hydrogen atom when an electron undergoes an n = 8 to n = 4 transmission.

Accepted Answer

A)  1940 nm
B)  2620 nm
C)  1.245 × 103 nm
D)  3.178 × 103 nm
E)  714.8 nm

Question 19

Choose the ground-state electron configuration for Zr2⁺.

Accepted Answer

A)  [Kr]5s2
B)  [Kr]5s24d2
C)  [Kr]4d2
D)  [Kr]
E)  [Kr]5s24d4

Question 20

How much energy (in kJ) do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

Accepted Answer

A)  183 kJ
B)  303 kJ
C)  394 kJ
D)  548 kJ
E)  254 kJ

Exam 7: The Quantum-Mechanical Model of the Atom

Choose the diamagnetic species from below.

Correct AnswerverifiedShow Answer

Choose the valence orbital diagram that represents the ground state of Zn.

Correct AnswerverifiedShow Answer

Calculate the wavelength of light emitted from a hydrogen atom when an electron undergoes an n = 8 to n = 4 transmission.

Correct AnswerverifiedShow Answer

Calculate the energy of the violet light emitted by a hydrogen atom with a wavelength of 410.1 nm.

Correct AnswerverifiedShow Answer

Choose the ground-state electron configuration for Ti2⁺.

Correct AnswerverifiedShow Answer

Determine the velocity of a marble (m = 8.66 g) with a wavelength of 3.46 × 10-33 m.

Correct AnswerverifiedShow Answer

Determine the energy change associated with the transition from n = 2 to n = 5 in the hydrogen atom.

Correct AnswerverifiedShow Answer

What are the possible orbitals for n = 3?

Correct AnswerverifiedShow Answer

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10-19 J. Thus, a laser that emits 1.3 × 10-2 J of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Correct AnswerverifiedShow Answer

Identify the set of four quantum numbers that could represent the last electron added (using the aufbau principle) to the Ne atom.

Correct AnswerverifiedShow Answer

The de Broglie wavelength of an electron with a velocity of 6.00 × 106 m s-1 is ________ m. The mass of the electron is 9.11 × 10-28 g.

Correct AnswerverifiedShow Answer

What is the maximum number of d orbitals that are possible?

Correct AnswerverifiedShow Answer

Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s-1.

Correct AnswerverifiedShow Answer

Choose the ground-state electron configuration for Zr2⁺.

Correct AnswerverifiedShow Answer

Identify the correct values for a 3p sublevel.

Correct AnswerverifiedShow Answer

Calculate the wavelength of an electron (m = 9.11 × 10-28 g) moving at 3.66 × 106 m s-1.

Correct AnswerverifiedShow Answer

Calculate the de Broglie wavelength of an egg with a mass of 60 g travelling at 32.18 m s-1.

Correct AnswerverifiedShow Answer

What are the possible values of l if n = 6?

Correct AnswerverifiedShow Answer

The vertical height of a wave is called

Correct AnswerverifiedShow Answer

How much energy (in kJ) do 3.0 moles of photons, all with a wavelength of 655 nm, contain?

Correct AnswerverifiedShow Answer

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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Choose the ground-state electron configuration for Ti²⁺.

Correct Answer
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Determine the velocity of a marble (m = 8.66 g) with a wavelength of 3.46 × 10^-33 m.

Correct Answer
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Correct Answer
verified

Correct Answer
verified

Electromagnetic radiation with a wavelength of 531 nm appears as green light to the human eye. The energy of one photon of this light is 3.74 × 10^-19 J. Thus, a laser that emits 1.3 × 10^-2 J of energy in a pulse of light at this wavelength produces ________ photons in each pulse.

Correct Answer
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Correct Answer
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The de Broglie wavelength of an electron with a velocity of 6.00 × 10⁶ m s^-1 is ________ m. The mass of the electron is 9.11 × 10^-28 g.

Correct Answer
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Correct Answer
verified

Calculate the de Broglie wavelength of a pen with a mass of 14.28 g travelling at 16.3 m s^-1.

Correct Answer
verified

Choose the ground-state electron configuration for Zr²⁺.

Correct Answer
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Correct Answer
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Calculate the wavelength of an electron (m = 9.11 × 10^-2⁸ g) moving at 3.66 × 10⁶ m s^-1.

Correct Answer
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Calculate the de Broglie wavelength of an egg with a mass of 60 g travelling at 32.18 m s^-1.

Correct Answer
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Correct Answer
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Correct Answer
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Correct Answer
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