Question 1

The wavelength of an electron whose velocity is 1.7 × 104 m/s and whose mass is 9.1 × 10-28 g is ________ m.

Accepted Answer

A) 4.3 × 10-11 
B) 12 
C) 4.3 × 10-8 
D) 2.3 × 107 
E) 2.3 × 10-7 
A) 4.3 × 10-11 
B) 12 
C) 4.3 × 10-8 
D) 2.3 × 107 
E) 2.3 × 10-7

Question 2

The angular momentum quantum number (l)value of 2 indicates the ________ subshell.

Accepted Answer

A) d 
B) f 
C) s 
D) p 
E) +1/2 
A) d 
B) f 
C) s 
D) p 
E) +1/2

Question 3

What is the frequency of light (s-1)that has a wavelength of 3.86 × 10-5 cm?

Accepted Answer

A) 7.77 × 1014 s-1 
B) 6.32 × 10-12 s-1 
C) 1.04 × 10-13 s-1 
D) 9.62 × 1012 s-1 
E) 2.14 × 10-16 s-1 
A) 7.77 × 1014 s-1 
B) 6.32 × 10-12 s-1 
C) 1.04 × 10-13 s-1 
D) 9.62 × 1012 s-1 
E) 2.14 × 10-16 s-1

Question 4

The wavelength of a photon that has an energy of 5.25 × 10-19 J is ________ m.

Accepted Answer

A) 3.79 × 10-7 
B) 2.64 × 106 
C) 2.38 × 1023 
D) 4.21 × 10-24 
E) 3.79 × 107 
A) 3.79 × 10-7 
B) 2.64 × 106 
C) 2.38 × 1023 
D) 4.21 × 10-24 
E) 3.79 × 107

Question 5

The condensed electron configuration of argon,element 18,is ________.

Accepted Answer

A) [Ne]3s4 
B) [Ar]3s23p2 
C) [Ne]3s23p6 
D) [He]2s42p10 
E) [He]3s4 
A) [Ne]3s4 
B) [Ar]3s23p2 
C) [Ne]3s23p6 
D) [He]2s42p10 
E) [He]3s4

Question 6

What is the energy of a photon (J)that has a wavelength of 105 nm?

Accepted Answer

A) 1.89 × 10-13 
B) 1.89 × 10-32 
C) 1.89 × 10-18 
D) 1.89 × 10-36 
E) 1.89 × 10-27 
A) 1.89 × 10-13 
B) 1.89 × 10-32 
C) 1.89 × 10-18 
D) 1.89 × 10-36 
E) 1.89 × 10-27

Question 7

A transition in the Bohr hydrogen atom from n = 4 to n = 2 occurs in the ________ region of the electromagnetic spectrum.

Accepted Answer

A) infrared 
B) microwave 
C) ultraviolet 
D) visible 
E) X-ray 
A) infrared 
B) microwave 
C) ultraviolet 
D) visible 
E) X-ray

Question 8

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

Accepted Answer

A) 3, 2, -2, -1/2 
B) 3, 3, -4, 1/2 
C) 3, 4, 6, -1/2 
D) 3, 2, 0, 0 
E) 3, 3, 3, -1/2 
A) 3, 2, -2, -1/2 
B) 3, 3, -4, 1/2 
C) 3, 4, 6, -1/2 
D) 3, 2, 0, 0 
E) 3, 3, 3, -1/2

Question 9

Which quantum numbers must be the same for the orbitals that they designate to be degenerate in a one-electron system (such as hydrogen)?

Accepted Answer

A) n, l, and ml 
B) n and l only 
C) l and ml 
D) ml only 
E) n only 
A) n, l, and ml 
B) n and l only 
C) l and ml 
D) ml only 
E) n only

Question 10

Which electron orbital diagram represents a violation of the Aufbau principle?

Accepted Answer

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

Question 11

Which of the following radiation sources from the electromagnetic spectrum has the shortest wavelength and greatest energy?

Accepted Answer

A) radio 
B) microwave 
C) gamma 
D) visible 
E) ultraviolet 
A) radio 
B) microwave 
C) gamma 
D) visible 
E) ultraviolet

Question 12

What is the wavelength of light (nm)that has a frequency of 6.44 × 1013 s-1?

Accepted Answer

A) 4660 nm 
B) 6490 nm 
C) 4.66 × 10-8 nm 
D) 6.49 × 10-8 nm 
E) 932 nm 
A) 4660 nm 
B) 6490 nm 
C) 4.66 × 10-8 nm 
D) 6.49 × 10-8 nm 
E) 932 nm

Question 13

What is the de Broglie wavelength (m)of a 1.00 × 103 kg race car traveling at 145 mi/hr?

Accepted Answer

A) 1.02 × 10-41 
B) 1.02 × 10-35 
C) 1.02 × 10-38 
D) 4.57 × 10-39 
E) 4.57 × 10-42 
A) 1.02 × 10-41 
B) 1.02 × 10-35 
C) 1.02 × 10-38 
D) 4.57 × 10-39 
E) 4.57 × 10-42

Question 14

In a px orbital,the subscript x denotes the ________.

Accepted Answer

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

Question 15

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 16

Calculate the longest wavelength of light (nm)that can be used to remove electrons from metal surfaces if 245 kJ/mol is required to eject electrons.

Accepted Answer

A) 233 
B) 488 
C) 725 
D) 552 
E) 165 
A) 233 
B) 488 
C) 725 
D) 552 
E) 165

Question 17

How many different principal quantum numbers can be found in the ground-state electron configuration of nickel?

Accepted Answer

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

Question 18

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 19

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 × 10-23 
E) 1.51 × 10-17 
A) 9.55 × 10-25 
B) 1.62 × 10-17 
C) 1.99 × 10-25 
D) 4.42 × 10-23 
E) 1.51 × 10-17

Question 20

The complete electron configuration of vanadium,element 23,is ________.

Accepted Answer

A)          3p7  
B)            3d34s2 
C)          3p5  
D)        3s43p1  
E)          3p3 
A)          3p7  
B)            3d34s2 
C)          3p5  
D)        3s43p1  
E)          3p3

Exam 6: Electronic Structure of Atoms

The wavelength of an electron whose velocity is 1.7 × 104 m/s and whose mass is 9.1 × 10-28 g is ________ m.

The angular momentum quantum number (l)value of 2 indicates the ________ subshell.

What is the frequency of light (s-1)that has a wavelength of 3.86 × 10-5 cm?

The wavelength of a photon that has an energy of 5.25 × 10-19 J is ________ m.

The condensed electron configuration of argon,element 18,is ________.

What is the energy of a photon (J)that has a wavelength of 105 nm?

A transition in the Bohr hydrogen atom from n = 4 to n = 2 occurs in the ________ region of the electromagnetic spectrum.

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

Which quantum numbers must be the same for the orbitals that they designate to be degenerate in a one-electron system (such as hydrogen)?

Which electron orbital diagram represents a violation of the Aufbau principle?

Which of the following radiation sources from the electromagnetic spectrum has the shortest wavelength and greatest energy?

What is the wavelength of light (nm)that has a frequency of 6.44 × 1013 s-1?

What is the de Broglie wavelength (m)of a 1.00 × 103 kg race car traveling at 145 mi/hr?

In a px orbital,the subscript x denotes the ________.

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

Calculate the longest wavelength of light (nm)that can be used to remove electrons from metal surfaces if 245 kJ/mol is required to eject electrons.

How many different principal quantum numbers can be found in the ground-state electron configuration of nickel?

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

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

The complete electron configuration of vanadium,element 23,is ________.

Introduction: Matter, energy, and Measurement

Atoms, molecules, and Ions

Chemical Reactions and Reaction Stoichiometry

Reactions in Aqueous Solution

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

The wavelength of an electron whose velocity is 1.7 × 10⁴ m/s and whose mass is 9.1 × 10^-28 g is ________ m.

What is the frequency of light (s^-1)that has a wavelength of 3.86 × 10^-5 cm?

The wavelength of a photon that has an energy of 5.25 × 10^-19 J is ________ m.

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

What is the wavelength of light (nm)that has a frequency of 6.44 × 10¹³ s^-1?

What is the de Broglie wavelength (m)of a 1.00 × 10³ kg race car traveling at 145 mi/hr?

In a p_x orbital,the subscript x denotes the ________.

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