Question 1

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

Accepted Answer

[Kr] 4d¹⁰

Question 2

Identify the ground-state electron configuration for In+.

Accepted Answer

A)  [Kr] 4d10 
B)  [Kr]5s24d10 
C)  [Kr] 5s24d105p3 
D)  [Kr]5s2 
E)  [Kr]5s24d2 
A)  [Kr] 4d10 
B)  [Kr]5s24d10 
C)  [Kr] 5s24d105p3 
D)  [Kr]5s2 
E)  [Kr]5s24d2 B

Question 3

Describe the shape of a p orbital.

Accepted Answer

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

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)  4 
A)  1 
B)  3 
C)  0 
D)  2 
E)  4

Question 5

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)  2p 
A)  1s 
B)  4f 
C)  3s 
D)  3d 
E)  2p

Question 6

Give an example of a p orbital.

Accepted Answer

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

Question 7

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 = 1 
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 = 1

Question 8

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

Question 9

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)  6 
A)  1 
B)  5 
C)  2 
D)  3 
E)  6

Question 10

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

Question 11

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)  2 
A)  1 
B)  5 
C)  3 
D)  4 
E)  2

Question 12

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 
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 13

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

Question 14

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

Question 15

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

Accepted Answer

A)  2 
B)  1 
C)  3 
D)  5 
E)  7 
A)  2 
B)  1 
C)  3 
D)  5 
E)  7

Question 16

Identify the colour that has a wavelength of 460 nm.

Accepted Answer

A)  blue 
B)  green 
C)  red 
D)  yellow 
A)  blue 
B)  green 
C)  red 
D)  yellow

Question 17

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)  6 
A)  3 
B)  4 
C)  2 
D)  5 
E)  6

Question 18

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 = -2 
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 = -2

Question 19

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-1 
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-1

Question 20

Give an example of a d orbital.

Accepted Answer

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

Exam 7: The Quantum-Mechanical Model of the Atom

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

Identify the ground-state electron configuration for In+.

Describe the shape of a p orbital.

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

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

Give an example of a p orbital.

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

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

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.

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 = ∞.

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.

Identify the correct values for a 3p sublevel.

Choose the ground-state electron configuration for Ti2⁺.

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

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

Identify the colour that has a wavelength of 460 nm.

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.

Identify the correct values for a 2p sublevel.

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

Give an example of a d orbital.

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules, Compounds, and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

Periodic Properties of the Elements

Chemical Bonding I: Lewis Theory

Chemical Bonding Ii: Molecular Shapes, Valence Bond Theory, and Molecular Orbital Theory

Liquids, Solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry Ii: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

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

Identify the ground-state electron configuration for In⁺.

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

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.

Choose the ground-state electron configuration for Ti²⁺.

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

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.

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