Question 1

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

Accepted Answer

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

Question 2

The de Broglie wavelength of an electron is 8.7 × 10- 11 m. The mass of an electron is 9.1 × 10- 31 kg. The velocity of this electron is _ m/s.

Accepted Answer

A)  8.4 × 106  
B)  8.4 × 103  
C)  6.9 × 10- 5  
D)  1.2 × 10- 7  
E)  8.4 × 10- 3 
A)  8.4 × 106  
B)  8.4 × 103  
C)  6.9 × 10- 5  
D)  1.2 × 10- 7  
E)  8.4 × 10- 3

Question 3

Black body radiation is the emission of light from metal surfaces.

Accepted Answer

A) True 
 B)False

Question 4

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

Accepted Answer

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

Question 5

The orbital is degenerate with 5py in a many- electron atom.

Accepted Answer

A)  5px  
B)  5dxy  
C)  5s 
D)  4py  
E)  5d2 
A)  5px  
B)  5dxy  
C)  5s 
D)  4py  
E)  5d2

Question 6

A mole of red photons of wavelength 725 nm has kJ of energy.

Accepted Answer

A)  4.56 × 10- 46 
B)  2.74 × 10- 19 
C)  6.05 × 10- 3 
D)  165 
E)  227 
A)  4.56 × 10- 46 
B)  2.74 × 10- 19 
C)  6.05 × 10- 3 
D)  165 
E)  227

Question 7

The 4d 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 8

Of the following, radiation has the shortest wavelength.

Accepted Answer

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

Question 9

A mole of yellow photons of wavelength 527 nm has kJ of energy.

Accepted Answer

A)  165 
B)  227 
C)  2.74 × 10- 19 
D)  6.05 × 10- 3 
E)  4.56 × 10- 46 
A)  165 
B)  227 
C)  2.74 × 10- 19 
D)  6.05 × 10- 3 
E)  4.56 × 10- 46

Question 10

The largest principal quantum number in the ground state electron configuration of barium is

Accepted Answer

A)  1 
B)  2 
C)  4 
D)  5 
E)  6 
A)  1 
B)  2 
C)  4 
D)  5 
E)  6

Question 11

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

Accepted Answer

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

Question 12

The quantum number defines the shape of an orbital.

Accepted Answer

A)  principal 
B)  azimuthal 
C)  psi 
D)  magnetic 
E)  spin 
A)  principal 
B)  azimuthal 
C)  psi 
D)  magnetic 
E)  spin

Question 13

The electron configuration of a ground- state Ag atom is .

Accepted Answer

A)  [Kr]5s23d9 
B)  [Kr]5s14d10 
C)  [Ar]4s24d9 
D)  [Ar]4s14d10 
E)  [Kr]5s24d10 
A)  [Kr]5s23d9 
B)  [Kr]5s14d10 
C)  [Ar]4s24d9 
D)  [Ar]4s14d10 
E)  [Kr]5s24d10

Question 14

The largest principal quantum number in the ground state electron configuration of iodine is

Accepted Answer

A)  1 
B)  4 
C)  5 
D)  6 
E)  7 
A)  1 
B)  4 
C)  5 
D)  6 
E)  7

Question 15

The condensed electron configuration of silicon, element 14, is .

Accepted Answer

A)  [Ne]2p10 
B)  [He]2s4 
C)  [He]2s42p6 
D)  [He]2s62p2 
E)  [Ne]3s23p2 
A)  [Ne]2p10 
B)  [He]2s4 
C)  [He]2s42p6 
D)  [He]2s62p2 
E)  [Ne]3s23p2

Question 16

The n = 8 to n = 2 transition in the Bohr hydrogen atom occurs in the region of the electromagnetic spectrum.

Accepted Answer

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

Question 17

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)  6.2 × 1014 
B)  4.1 × 10- 19 
C)  8.2 × 1014 
D)  4.1 × 1019 
E)  5.4 × 10- 19 
A)  6.2 × 1014 
B)  4.1 × 10- 19 
C)  8.2 × 1014 
D)  4.1 × 1019 
E)  5.4 × 10- 19

Question 18

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

Accepted Answer

A)  1s22s22p103s23p2 
B)  1s42s42p10 
C)  1s62s62p23s4 
D)  1s22s22p63s23p6 
E)  1s42s42p63s4 
A)  1s22s22p103s23p2 
B)  1s42s42p10 
C)  1s62s62p23s4 
D)  1s22s22p63s23p6 
E)  1s42s42p63s4

Question 19

Which of the subshells below do not exist due to the constraints upon the azimuthal quantum number?

Accepted Answer

A)  2d 
B)  2p 
C)  2s 
D)  all of the above 
E)  none of the above 
A)  2d 
B)  2p 
C)  2s 
D)  all of the above 
E)  none of the above

Question 20

At maximum, an f- subshell can hold electrons, a d- subshell can hold electrons, and a p- subshell can hold electrons.

Accepted Answer

A)  14, 10, 6 
B)  14, 8, 2 
C)  2, 8, 18 
D)  2, 6, 10 
E)  2, 12, 21 
A)  14, 10, 6 
B)  14, 8, 2 
C)  2, 8, 18 
D)  2, 6, 10 
E)  2, 12, 21

Exam 6: Electronic Structure of Atoms

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

The de Broglie wavelength of an electron is 8.7 × 10- 11 m. The mass of an electron is 9.1 × 10- 31 kg. The velocity of this electron is _ m/s.

Black body radiation is the emission of light from metal surfaces.

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

The orbital is degenerate with 5py in a many- electron atom.

A mole of red photons of wavelength 725 nm has kJ of energy.

The 4d subshell in the ground state of atomic xenon contains _ electrons.

Of the following, radiation has the shortest wavelength.

A mole of yellow photons of wavelength 527 nm has kJ of energy.

The largest principal quantum number in the ground state electron configuration of barium is

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

The quantum number defines the shape of an orbital.

The electron configuration of a ground- state Ag atom is .

The largest principal quantum number in the ground state electron configuration of iodine is

The condensed electron configuration of silicon, element 14, is .

The n = 8 to n = 2 transition in the Bohr hydrogen atom occurs in the region of the electromagnetic spectrum.

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

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

Which of the subshells below do not exist due to the constraints upon the azimuthal quantum number?

At maximum, an f- subshell can hold electrons, a d- subshell can hold electrons, and a p- subshell can hold electrons.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

The de Broglie wavelength of an electron is 8.7 × 10^-¹¹m. The mass of an electron is 9.1 × 10^-³¹kg. The velocity of this electron is _ m/s.

The orbital is degenerate with 5p_yin a many- electron atom.