Question 1

Identify the ground-state electron configuration for In+.

Accepted Answer

A)   [Kr] 4d10
B)   [Kr]5s24d10
C)   [Kr] 5s24d105p3
D)   [Kr]5s2
E)   [Kr]5s24d2F) A) and E)
G) A) and D) B

Question 2

Identify the correct values for a 2p 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 = 1, ml = 0
E)   n = 4, l = -1, ml = -2F) D) and E)
G) A) and E)

Question 3

How many different values of ml are possible in the 3d sublevel?

Accepted Answer

A)   2
B)   1
C)   3
D)   5
E)   7F) B) and C)
G) None of the above

Question 4

How many of the following species are diamagnetic? Cs Zr2⁺ Al3⁺ Hg2⁺

Accepted Answer

A)   1
B)   3
C)   0
D)   2
E)   4F) B) and E)
G) A) and D)

Question 5

Determine the end (final)  value of n in a hydrogen atom transition if the electron starts in n = 4 and the atom emits a photon of light with a wavelength of 486 nm.

Accepted Answer

A)   1
B)   5
C)   3
D)   4
E)   2F) A) and B)
G) D) and E)

Question 6

The number of cycles that pass through a stationary point per unit time is called ________.

Accepted Answer

A)   wavelength
B)   amplitude
C)   frequency
D)   area
E)   medianF) B) and C)
G) C) and D)

Question 7

Determine the velocity of a medicine ball (m = 10.0 kg)  with a wavelength of 1.33 × 10-35 m.

Accepted Answer

A)   8.81 m s-1
B)   12.3 m s-1
C)   2.21 m s-1
D)   4.98 m s-1
E)   6.44 m s-1F) A) and E)
G) A) and D)

Question 8

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

Accepted Answer

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

Question 9

In which orbital below would an electron (on average)  be farthest from the nucleus?

Accepted Answer

A)   1s
B)   4f
C)   3s
D)   3d
E)   2pF) B) and E)
G) B) and D)

Question 10

Give an example of a d orbital.

Accepted Answer

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

Question 11

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 = -2F) A) and B)
G) None of the above

Question 12

Give an example of a p orbital.

Accepted Answer

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

Question 13

Identify the colour that has a wavelength of 460 nm.

Accepted Answer

A)   blue
B)   green
C)   red
D)   yellowE) None of the above
F) A) and B)

Question 14

It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy (in kJ)  for a mole of hydrogen atoms, making the assumption that ionization is the transition from n = 1 to n = ∞.

Accepted Answer

A)   7.62 × 103 kJ
B)   2.76 × 103 kJ
C)   1.31 × 103 kJ
D)   3.62 × 103 kJ
E)   5.33 × 103 kJF) A) and E)
G) B) and D)

Question 15

Choose the transition (in a hydrogen atom)  below which represents the absorption of the shortest wavelength photon.

Accepted Answer

A)   n = 1 to n = 2
B)   n = 2 to n = 3
C)   n = 4 to n = 5
D)   n = 6 to n = 3
E)   n = 3 to n = 1F) All of the above
G) A) and E)

Question 16

Choose the ground-state electron configuration for Ti2⁺.

Accepted Answer

A)   [Ar]3d2
B)   [Ar]4s2
C)   [Ar]4s23d2
D)   [Ar]4s23d4
E)   [Ar]3d4F) C) and D)
G) B) and D)

Question 17

Describe the shape of a p orbital.

Accepted Answer

A)   a ball
B)   two dumbbells
C)   three dumbbells
D)   four dumbbells
E)   eight dumbbellsF) A) and B)
G) A) and C) B

Question 18

Give the ground-state electron configuration for Cd+2.

Accepted Answer

[Kr] 4d¹⁰

Question 19

Determine the end (final)  value of n in a hydrogen atom transition if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10-18 J.

Accepted Answer

A)   3
B)   4
C)   2
D)   5
E)   6F) B) and D)
G) A) and B)

Question 20

An electron ends in orbital n = 3 after a hydrogen atom emits a photon with a wavelength of 1093 nm. Calculate the initial orbital, ni.

Accepted Answer

A)   1
B)   5
C)   2
D)   3
E)   6F) C) and E)
G) A) and B)

Exam 7: The Quantum-Mechanical Model of the Atom

Identify the ground-state electron configuration for In+.

Correct AnswerverifiedB

Identify the correct values for a 2p sublevel.

Correct AnswerverifiedShow Answer

How many different values of ml are possible in the 3d sublevel?

Correct AnswerverifiedShow Answer

How many of the following species are diamagnetic? Cs Zr2⁺ Al3⁺ Hg2⁺

Correct AnswerverifiedShow Answer

Determine the end (final) value of n in a hydrogen atom transition if the electron starts in n = 4 and the atom emits a photon of light with a wavelength of 486 nm.

Correct AnswerverifiedShow Answer

The number of cycles that pass through a stationary point per unit time is called ________.

Correct AnswerverifiedShow Answer

Determine the velocity of a medicine ball (m = 10.0 kg) with a wavelength of 1.33 × 10-35 m.

Correct AnswerverifiedShow Answer

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

Correct AnswerverifiedShow Answer

In which orbital below would an electron (on average) be farthest from the nucleus?

Correct AnswerverifiedShow Answer

Give an example of a d orbital.

Correct AnswerverifiedShow Answer

Identify the correct values for a 3p sublevel.

Correct AnswerverifiedShow Answer

Give an example of a p orbital.

Correct AnswerverifiedShow Answer

Identify the colour that has a wavelength of 460 nm.

Correct AnswerverifiedShow Answer

It is possible to determine the ionization energy for hydrogen using the Bohr equation. Calculate the ionization energy (in kJ) for a mole of hydrogen atoms, making the assumption that ionization is the transition from n = 1 to n = ∞.

Correct AnswerverifiedShow Answer

Choose the transition (in a hydrogen atom) below which represents the absorption of the shortest wavelength photon.

Correct AnswerverifiedShow Answer

Choose the ground-state electron configuration for Ti2⁺.

Correct AnswerverifiedShow Answer

Describe the shape of a p orbital.

Correct AnswerverifiedB

Give the ground-state electron configuration for Cd+2.

Correct Answerverified[Kr] 4d10

Determine the end (final) value of n in a hydrogen atom transition if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10-18 J.

Correct AnswerverifiedShow Answer

An electron ends in orbital n = 3 after a hydrogen atom emits a photon with a wavelength of 1093 nm. Calculate the initial orbital, ni.

Correct AnswerverifiedShow Answer

Identify the ground-state electron configuration for In⁺.

Correct Answer
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B

Correct Answer
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How many different values of m_l are possible in the 3d sublevel?

Correct Answer
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How many of the following species are diamagnetic? Cs Zr²⁺ Al³⁺ Hg²⁺

Correct Answer
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Determine the velocity of a medicine ball (m = 10.0 kg) with a wavelength of 1.33 × 10^-35 m.

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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B

Give the ground-state electron configuration for Cd⁺².

Correct Answer
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[Kr] 4d¹⁰

Determine the end (final) value of n in a hydrogen atom transition if the electron starts in n = 1 and the atom absorbs a photon of light with an energy of 2.044 × 10^-18 J.

Correct Answer
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An electron ends in orbital n = 3 after a hydrogen atom emits a photon with a wavelength of 1093 nm. Calculate the initial orbital, n_i.

Correct Answer
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