Question 1

Calculate the energy (J)change associated with an electron transition from n = 2 to n = 5 in a Bohr hydrogen atom.

Accepted Answer

A) 6.5 × 10-19 
B) 5.5 × 10-19 
C) 8.7 × 10-20 
D) 4.6 × 10-19 
E) 5.8 × 10-53 
A) 6.5 × 10-19 
B) 5.5 × 10-19 
C) 8.7 × 10-20 
D) 4.6 × 10-19 
E) 5.8 × 10-53

Question 2

The de Broglie wavelength of a car (1.0 × 103 kg)traveling at 75 km/hr is __________ m.

Accepted Answer

A) 3.2 × 10-38 
B) 8.8 × 10-39 
C) 3.2 × 10-35 
D) 1.4 × 10-35 
E) 1.4 × 1035 
A) 3.2 × 10-38 
B) 8.8 × 10-39 
C) 3.2 × 10-35 
D) 1.4 × 10-35 
E) 1.4 × 1035

Question 3

The de Broglie wavelength of a particle is given by __________.

Accepted Answer

A) h + mv 
B) hmv 
C) h/mv 
D) mv/c 
E) mv 
A) h + mv 
B) hmv 
C) h/mv 
D) mv/c 
E) mv

Question 4

The __________ subshell contains only one orbital.

Accepted Answer

A) 5d 
B) 6f 
C) 4s 
D) 3d 
E) 1p 
A) 5d 
B) 6f 
C) 4s 
D) 3d 
E) 1p

Question 5

Which electron configuration represents a violation of the Pauli exclusion principle?

Accepted Answer

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

Question 6

The largest principal quantum number in the ground state electron configuration of francium is __________.

Accepted Answer

The answer of The largest principal quantum number in the...

Question 7

Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagnetic radiation is __________ MHz.

Accepted Answer

A) 500 
B) 200 
C) 50 
D) 20 
E) 2.0 
A) 500 
B) 200 
C) 50 
D) 20 
E) 2.0

Question 8

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is __________ sl.

Accepted Answer

A) 5.71 × 1014 
B) 5.71 × 105 
C) 1.58 × 102 
D) 1.58 × 1011 
E) 1.75 × 10-15 
A) 5.71 × 1014 
B) 5.71 × 105 
C) 1.58 × 102 
D) 1.58 × 1011 
E) 1.75 × 10-15

Question 9

The complete electron configuration of argon, element 18, is __________.

Accepted Answer

A) 1s22s22p63s23p6 
B) 1s22s2p103s23p2 
C) 1s42s42p63s4 
D) 1s42s42p10 
E) 1s62s62p23s4 
A) 1s22s22p63s23p6 
B) 1s22s2p103s23p2 
C) 1s42s42p63s4 
D) 1s42s42p10 
E) 1s62s62p23s4

Question 10

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 11

The energy (J)required for an electronic transition in a Bohr hydrogen atom from n = 1 to n = 3 is __________ J.

Accepted Answer

A) -8.90 × 10-1 
B) 3.00 × 10-19 
C) -3.00 × 10-19 
D) 1.94 × 10-18 
E) 8.90 × 10-1 
A) -8.90 × 10-1 
B) 3.00 × 10-19 
C) -3.00 × 10-19 
D) 1.94 × 10-18 
E) 8.90 × 10-1

Question 12

The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X?

Accepted Answer

A) main group element 
B) chalcogen 
C) halogen 
D) transition metal 
E) alkali metal 
A) main group element 
B) chalcogen 
C) halogen 
D) transition metal 
E) alkali metal

Question 13

Which quantum numbers must be the same for the orbitals that they designate to be degenerate in a many-electron system?

Accepted Answer

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

Question 14

The frequency of electromagnetic radiation required to promote an electron from n = 2 to n = 4 in a Bohr hydrogen atom is __________ Hz.

Accepted Answer

A) 4.13 × 10-19 
B) 6.17 × 1014 
C) 5.46 × 10-19 
D) 8.22 × 1014 
E) 4.13 × 1019 
A) 4.13 × 10-19 
B) 6.17 × 1014 
C) 5.46 × 10-19 
D) 8.22 × 1014 
E) 4.13 × 1019

Question 15

The ground state electron configuration for Zn is __________.

Accepted Answer

A) [Kr]4s23d10 
B) [Ar]4s23d10 
C) [Ar]4s13d10 
D) [Ar]3s23d10 
E) [Kr]3s23d10 
A) [Kr]4s23d10 
B) [Ar]4s23d10 
C) [Ar]4s13d10 
D) [Ar]3s23d10 
E) [Kr]3s23d10

Question 16

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz. The wavelength of this radiation is __________ m.

Accepted Answer

A) 2.982 × 106 
B) 2.982 
C) 3.018 × 1016 
D) 3.018 × 1010 
E) 0.3353 
A) 2.982 × 106 
B) 2.982 
C) 3.018 × 1016 
D) 3.018 × 1010 
E) 0.3353

Question 17

A __________ orbital is degenerate with a 5dz2 in a many-electron atom.

Accepted Answer

A) 5pz 
B) 4dz2 
C) 5s 
D) 5dxy 
E) 4dzz 
A) 5pz 
B) 4dz2 
C) 5s 
D) 5dxy 
E) 4dzz

Question 18

How many quantum numbers are necessary to designate a particular electron in an atom?

Accepted Answer

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

Question 19

If an electron has a principal quantum number (n)of 3 and an angular momentum quantum number (l)of 2, the subshell designation is __________.

Accepted Answer

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

Question 20

The lowest energy shell that contains f orbitals is the shell with n = __________.

Accepted Answer

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

Exam 6: Electronic Structure of Atoms

Calculate the energy (J)change associated with an electron transition from n = 2 to n = 5 in a Bohr hydrogen atom.

The de Broglie wavelength of a car (1.0 × 103 kg)traveling at 75 km/hr is __________ m.

The de Broglie wavelength of a particle is given by __________.

The __________ subshell contains only one orbital.

Which electron configuration represents a violation of the Pauli exclusion principle?

The largest principal quantum number in the ground state electron configuration of francium is __________.

Ham radio operators often broadcast on the 6-meter band. The frequency of this electromagnetic radiation is __________ MHz.

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is __________ sl.

The complete electron configuration of argon, element 18, is __________.

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

The energy (J)required for an electronic transition in a Bohr hydrogen atom from n = 1 to n = 3 is __________ J.

The valence shell of the element X contains 2 electrons in a 5s subshell. Below that shell, element X has a partially filled 4d subshell. What type of element is X?

Which quantum numbers must be the same for the orbitals that they designate to be degenerate in a many-electron system?

The frequency of electromagnetic radiation required to promote an electron from n = 2 to n = 4 in a Bohr hydrogen atom is __________ Hz.

The ground state electron configuration for Zn is __________.

An FM radio station broadcasts electromagnetic radiation at a frequency of 100.6 MHz. The wavelength of this radiation is __________ m.

A __________ orbital is degenerate with a 5dz2 in a many-electron atom.

How many quantum numbers are necessary to designate a particular electron in an atom?

If an electron has a principal quantum number (n)of 3 and an angular momentum quantum number (l)of 2, the subshell designation is __________.

The lowest energy shell that contains f orbitals is the shell with n = __________.

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

The de Broglie wavelength of a car (1.0 × 10³ kg)traveling at 75 km/hr is __________ m.

Electromagnetic radiation with a wavelength of 525 nm appears as green light to the human eye. The frequency of this light is __________ s^l.

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

A __________ orbital is degenerate with a 5_dz² in a many-electron atom.