Question 1

An NMR spectrum results from photon irradiation in which the nuclear spin alignment is flipped.

Accepted Answer

A) True 
 B)False

Question 2

The second shell in the ground state of atomic argon contains __________ electrons.

Accepted Answer

A) 2 
B) 6 
C) 8 
D) 18 
E) 36 
A) 2 
B) 6 
C) 8 
D) 18 
E) 36

Question 3

Which set of three quantum numbers (n, l, ml)corresponds to a 3p orbital?

Accepted Answer

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

Question 4

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

Accepted Answer

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

Question 5

Which one of the following is correct?

Accepted Answer

A) ν + λ = c 
B) ν ÷ λ = c 
C) ν = cλ 
D) λ = c ν 
E) νλ = c 
A) ν + λ = c 
B) ν ÷ λ = c 
C) ν = cλ 
D) λ = c ν 
E) νλ = c

Question 6

The n = 8 to n = 4 transition in the Bohr hydrogen atom occurs in the __________ region of the electromagnetic spectrum.

Accepted Answer

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

Question 7

In a ground-state silver atoms, the __________ subshell is partially filled.

Accepted Answer

A) 3d 
B) 3s 
C) 4s 
D) 4d 
E) 4p 
A) 3d 
B) 3s 
C) 4s 
D) 4d 
E) 4p

Question 8

The energy (J)required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is __________ J.

Accepted Answer

A) 4.00 × 10-19 
B) 3.00 × 10-19 
C) -3.00 × 10-19 
D) -7.90 × 10-19 
E) 4.60 × 1014 
A) 4.00 × 10-19 
B) 3.00 × 10-19 
C) -3.00 × 10-19 
D) -7.90 × 10-19 
E) 4.60 × 1014

Question 9

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 10

Each p-subshell can accommodate a maximum of __________ electrons.

Accepted Answer

A) 6 
B) 2 
C) 10 
D) 3 
E) 5 
A) 6 
B) 2 
C) 10 
D) 3 
E) 5

Question 11

There are __________ unpaired electrons in a ground state nitrogen atom.

Accepted Answer

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

Question 12

The element that has a valence configuration of 4s1 is __________.

Accepted Answer

A) Li 
B) Na 
C) K 
D) Rb 
E) Cs 
A) Li 
B) Na 
C) K 
D) Rb 
E) Cs

Question 13

The de Broglie wavelength of a __________ will have the shortest wavelength when traveling at 30 cm/s.

Accepted Answer

A) marble 
B) car 
C) planet 
D) uranium atom 
E) hydrogen atom 
A) marble 
B) car 
C) planet 
D) uranium atom 
E) hydrogen atom

Question 14

What is the de Broglie wavelength (m)of a 25-g object moving at a speed of 5.0 m/s?

Accepted Answer

A) 1.9 × 1032 
B) 5.3 × 10-33 
C) 6.6 × 10-36 
D) 3.32 × 10-36 
E) 3.02 × 1045 
A) 1.9 × 1032 
B) 5.3 × 10-33 
C) 6.6 × 10-36 
D) 3.32 × 10-36 
E) 3.02 × 1045

Question 15

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The energy of one photon of this light is __________ J.

Accepted Answer

A) 1.04 × 10-31 
B) 3.79 × 10-28 
C) 3.79 × 10-19 
D) 1.04 × 10-22 
E) 2.64 × 1018 
A) 1.04 × 10-31 
B) 3.79 × 10-28 
C) 3.79 × 10-19 
D) 1.04 × 10-22 
E) 2.64 × 1018

Question 16

An electron cannot have the quantum numbers n = __________, l = __________, ml = __________.

Accepted Answer

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

Question 17

The angular momentum quantum number for the outermost electrons in a boron atom in the ground state is __________.

Accepted Answer

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

Question 18

What is the de Broglie wavelength (m)of a 2.0-kg object moving at a speed of 50 m/s?

Accepted Answer

A) 6.6 × 10-36 
B) 1.5 × 1035 
C) 5.3 × 10-33 
D) 2.6 × 10-35 
E) 3.8 × 1034 
A) 6.6 × 10-36 
B) 1.5 × 1035 
C) 5.3 × 10-33 
D) 2.6 × 10-35 
E) 3.8 × 1034

Question 19

Which one of the following configurations depicts an excited carbon atom?

Accepted Answer

A) 1s22s22p13s1 
B) 1s22s22p3 
C) 1s22s22p1 
D) 1s22s23s1 
E) 1s22s22p2 
A) 1s22s22p13s1 
B) 1s22s22p3 
C) 1s22s22p1 
D) 1s22s23s1 
E) 1s22s22p2

Question 20

An electron cannot have the quantum numbers n = __________, l = __________, ml = __________.

Accepted Answer

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

Exam 6: Electronic Structure of Atoms

An NMR spectrum results from photon irradiation in which the nuclear spin alignment is flipped.

The second shell in the ground state of atomic argon contains __________ electrons.

Which set of three quantum numbers (n, l, ml)corresponds to a 3p orbital?

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

Which one of the following is correct?

The n = 8 to n = 4 transition in the Bohr hydrogen atom occurs in the __________ region of the electromagnetic spectrum.

In a ground-state silver atoms, the __________ subshell is partially filled.

The energy (J)required for an electronic transition in a Bohr hydrogen atom from n = 2 to n = 3 is __________ J.

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

Each p-subshell can accommodate a maximum of __________ electrons.

There are __________ unpaired electrons in a ground state nitrogen atom.

The element that has a valence configuration of 4s1 is __________.

The de Broglie wavelength of a __________ will have the shortest wavelength when traveling at 30 cm/s.

What is the de Broglie wavelength (m)of a 25-g object moving at a speed of 5.0 m/s?

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The energy of one photon of this light is __________ J.

An electron cannot have the quantum numbers n = __________, l = __________, ml = __________.

The angular momentum quantum number for the outermost electrons in a boron atom in the ground state is __________.

What is the de Broglie wavelength (m)of a 2.0-kg object moving at a speed of 50 m/s?

Which one of the following configurations depicts an excited carbon atom?

An electron cannot have the quantum numbers n = __________, l = __________, ml = __________.

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

Which set of three quantum numbers (n, l, m_l)corresponds to a 3p orbital?

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

The element that has a valence configuration of 4s¹ is __________.

An electron cannot have the quantum numbers n = , l = , m_l = __________.

An electron cannot have the quantum numbers n = , l = , m_l = __________.