Question 1

The energy of a photon that has a wavelength of 13.2 nm is __________ J.

Accepted Answer

A) 9.55 × 10-25 
B) 1.62 × 10-17 
C) 1.99 × 10-25 
D) 4.42 ×   
E) 1.51 × 10-17 
A) 9.55 × 10-25 
B) 1.62 × 10-17 
C) 1.99 × 10-25 
D) 4.42 ×   
E) 1.51 × 10-17

Question 2

In a px orbital, the subscript x denotes the __________ of the electron.

Accepted Answer

A) energy 
B) spin of the electrons 
C) probability of the shell 
D) size of the orbital 
E) axis along which the orbital is aligned 
A) energy 
B) spin of the electrons 
C) probability of the shell 
D) size of the orbital 
E) axis along which the orbital is aligned

Question 3

The angular momentum quantum number is 3 in __________ orbitals.

Accepted Answer

A) s 
B) p 
C) d 
D) f 
E) a 
A) s 
B) p 
C) d 
D) f 
E) a

Question 4

Of the following transitions in the Bohr hydrogen atom, the __________ transition results in the emission of the highest-energy photon.

Accepted Answer

A) n = 1 → n = 6 
B) n = 6 → n = 1 
C) n = 6 → n = 3 
D) n = 3 → n = 6 
E) n = 1 → n = 4 
A) n = 1 → n = 6 
B) n = 6 → n = 1 
C) n = 6 → n = 3 
D) n = 3 → n = 6 
E) n = 1 → n = 4

Question 5

Which of the following is a valid set of four quantum numbers? (n, l, ml, ms)

Accepted Answer

A) 2, 1, 0, +1/2 
B) 2, 2, 1, -1/2 
C) 1, 0, 1, +1/2 
D) 2, 1, +2, +1/2 
E) 1, 1, 0, -1/2 
A) 2, 1, 0, +1/2 
B) 2, 2, 1, -1/2 
C) 1, 0, 1, +1/2 
D) 2, 1, +2, +1/2 
E) 1, 1, 0, -1/2

Question 6

What color of visible light has the highest energy?

Accepted Answer

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

Question 7

The n = 1 shell contains __________ p orbitals. All the other shells contain __________ p orbitals.

Accepted Answer

A) 3, 6 
B) 0, 3 
C) 6, 2 
D) 3, 3 
E) 0, 6 
A) 3, 6 
B) 0, 3 
C) 6, 2 
D) 3, 3 
E) 0, 6

Question 8

Which one of the following is an incorrect orbital notation?

Accepted Answer

A) 2s 
B) 3py 
C) 3f 
D) 4dxy 
E) 4s 
A) 2s 
B) 3py 
C) 3f 
D) 4dxy 
E) 4s

Question 9

The energy of a photon that has a wavelength of 9.0 m is __________ J.

Accepted Answer

A) 2.2 × 10-26 
B) 4.5 × 1025 
C) 6.0 × 10-23 
D) 2.7 × 109 
E) 4.5 × 10-25 
A) 2.2 × 10-26 
B) 4.5 × 1025 
C) 6.0 × 10-23 
D) 2.7 × 109 
E) 4.5 × 10-25

Question 10

The total number of orbitals in a shell is given by __________.

Accepted Answer

A) I2 
B) n2 
C) 2n 
D) 2n + 1 
E) 2l + 1 
A) I2 
B) n2 
C) 2n 
D) 2n + 1 
E) 2l + 1

Question 11

The 3p subshell in the ground state of atomic xenon contains __________ electrons.

Accepted Answer

A) 2 
B) 6 
C) 8 
D) 10 
E) 36 
A) 2 
B) 6 
C) 8 
D) 10 
E) 36

Question 12

What is the wavelength of light (nm)that has a frequency 4.62 × 1014 s-1?

Accepted Answer

A) 932 
B) 649 
C) 1.39 × 1023 
D) 1.54 × 10-3 
E) 1.07 × 106 
A) 932 
B) 649 
C) 1.39 × 1023 
D) 1.54 × 10-3 
E) 1.07 × 106

Question 13

Elements in group __________ have a np6 electron configuration in the outer shell.

Accepted Answer

A) 4A 
B) 6A 
C) 7A 
D) 8A 
E) 5A 
A) 4A 
B) 6A 
C) 7A 
D) 8A 
E) 5A

Question 14

The complete electron configuration of gallium, element 31, is __________.

Accepted Answer

A) 1s22s22p103s23p104s23d3 
B) 1s22s22p63s23p63d104s24p1 
C) 1s42s42p63s43p64s43d3 
D) 1s42s42p103s43p9 
E) 1s42s42p83s43p84s3 
A) 1s22s22p103s23p104s23d3 
B) 1s22s22p63s23p63d104s24p1 
C) 1s42s42p63s43p64s43d3 
D) 1s42s42p103s43p9 
E) 1s42s42p83s43p84s3

Question 15

When the electron in a hydrogen atom moves from n = 4 to n = 2, light with a wavelength of __________ nm is emitted.

Accepted Answer

A) 93.8 
B) 434 
C) 410 
D) 657 
E) 486 
A) 93.8 
B) 434 
C) 410 
D) 657 
E) 486

Question 16

Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the   of an electron in the n = 4 level.

Accepted Answer

A) -1.36 × 10-19 
B) -5.45 × 10-19 
C) -7.34 × 1018 
D) -1.84 × 10-29 
E) +1.84 × 10-29 
A) -1.36 × 10-19 
B) -5.45 × 10-19 
C) -7.34 × 1018 
D) -1.84 × 10-29 
E) +1.84 × 10-29

Question 17

Which electron configuration represents a violation of Hund's rule for an atom in its ground state?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 18

The ground state electron configuration of Ga is __________.

Accepted Answer

A) 1s22s23s23p64s23d104p1 
B) 1s22s22p63s23p64s24d104p1 
C) 1s22s22p63s23p64s23d104p1 
D) 1s22s22p63s23p64s23d104d1 
E) [Ar]4s23d11 
A) 1s22s23s23p64s23d104p1 
B) 1s22s22p63s23p64s24d104p1 
C) 1s22s22p63s23p64s23d104p1 
D) 1s22s22p63s23p64s23d104d1 
E) [Ar]4s23d11

Question 19

What is the wavelength (angstroms)of a photon that has an energy of 5.69 × 10-17 J?

Accepted Answer

A) 454 
B) 34.9 
C) 6.89 × 1015 
D) 3.66 × 109 
E) 3.50 × 10-9 
A) 454 
B) 34.9 
C) 6.89 × 1015 
D) 3.66 × 109 
E) 3.50 × 10-9

Question 20

Which one of the following represents an impossible set of quantum numbers for an electron in an atom? (arranged as n, l, ml, and ms)

Accepted Answer

A) 2, 1, -1, -1/2 
B) 1, 0, 0, 1/2 
C) 3, 3, 3, 1/2 
D) 5, 4, - 3, 1/2 
E) 5, 4, -3, -1/2 
A) 2, 1, -1, -1/2 
B) 1, 0, 0, 1/2 
C) 3, 3, 3, 1/2 
D) 5, 4, - 3, 1/2 
E) 5, 4, -3, -1/2

Exam 6: Electronic Structure of Atoms

The energy of a photon that has a wavelength of 13.2 nm is __________ J.

In a px orbital, the subscript x denotes the __________ of the electron.

The angular momentum quantum number is 3 in __________ orbitals.

Of the following transitions in the Bohr hydrogen atom, the __________ transition results in the emission of the highest-energy photon.

Which of the following is a valid set of four quantum numbers? (n, l, ml, ms)

What color of visible light has the highest energy?

The n = 1 shell contains __________ p orbitals. All the other shells contain __________ p orbitals.

Which one of the following is an incorrect orbital notation?

The energy of a photon that has a wavelength of 9.0 m is __________ J.

The total number of orbitals in a shell is given by __________.

The 3p subshell in the ground state of atomic xenon contains __________ electrons.

What is the wavelength of light (nm)that has a frequency 4.62 × 1014 s-1?

Elements in group __________ have a np6 electron configuration in the outer shell.

The complete electron configuration of gallium, element 31, is __________.

When the electron in a hydrogen atom moves from n = 4 to n = 2, light with a wavelength of __________ nm is emitted.

Using Bohr's equation for the energy levels of the electron in the hydrogen atom, determine the of an electron in the n = 4 level.

Which electron configuration represents a violation of Hund's rule for an atom in its ground state?

The ground state electron configuration of Ga is __________.

What is the wavelength (angstroms)of a photon that has an energy of 5.69 × 10-17 J?

Which one of the following represents an impossible set of quantum numbers for an electron in an atom? (arranged as n, l, ml, and ms)

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

In a p_x orbital, the subscript x denotes the __________ of the electron.

Which of the following is a valid set of four quantum numbers? (n, l, m_l, m_s)

The n = 1 shell contains p orbitals. All the other shells contain p orbitals.

What is the wavelength of light (nm)that has a frequency 4.62 × 10¹⁴ s^-1?

Elements in group __________ have a np⁶ electron configuration in the outer shell.

What is the wavelength (angstroms)of a photon that has an energy of 5.69 × 10^-17 J?

Which one of the following represents an impossible set of quantum numbers for an electron in an atom? (arranged as n, l, m_l, and m_s)