Question 1

How many p-orbitals are occupied in a O atom?

Accepted Answer

A) 5 
B) 6 
C) 0 
D) 3 
E) 1 
A) 5 
B) 6 
C) 0 
D) 3 
E) 1

Question 2

The larger the principal quantum number of an orbital, the lower is the energy of the electrons in that orbital.

Accepted Answer

A) True 
 B)False

Question 3

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

Accepted Answer

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

Question 4

What wavelengths correspond to the visible region of the electromagnetic spectrum?

Accepted Answer

About 400

Question 5

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 6

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 7

When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of ________ nm is emitted.

Accepted Answer

A) 487 
B) 411 
C) 434 
D) 93.8 
E) 657 
A) 487 
B) 411 
C) 434 
D) 93.8 
E) 657

Question 8

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 9

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 10

Electromagnetic radiation travels through vacuum at a speed of ________ m/s.

Accepted Answer

A) 186,000 
B) 125 
C) 3.00 × 108 
D) 10,000 
E) It depends on wavelength. 
A) 186,000 
B) 125 
C) 3.00 × 108 
D) 10,000 
E) It depends on wavelength.

Question 11

In the Bohr model of the atom, ________.

Accepted Answer

A) electrons travel in circular paths called orbitals 
B) electrons can have any energy 
C) electron energies are quantized 
D) electron paths are controlled by probability 
E) both A and C 
A) electrons travel in circular paths called orbitals 
B) electrons can have any energy 
C) electron energies are quantized 
D) electron paths are controlled by probability 
E) both A and C

Question 12

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

Accepted Answer

A) n = 2 → n = 5 
B) n = 4 → n = 2 
C) n = 3 → n = 2 
D) n = 5 → n = 2 
E) All transitions absorb photons of equivalent energy. 
A) n = 2 → n = 5 
B) n = 4 → n = 2 
C) n = 3 → n = 2 
D) n = 5 → n = 2 
E) All transitions absorb photons of equivalent energy.

Question 13

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

Accepted Answer

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

Question 14

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 15

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 16

What is the frequency (s-1)of electromagnetic radiation that has a wavelength of 0.53 m?

Accepted Answer

A) 5.7 × 108 s-1 
B) 1.8 × 10-9 s-1 
C) 1.6 × 108 s-1 
D) 1.3 × 10-33 s-1 
E) 1.3 × 1033 s-1 
A) 5.7 × 108 s-1 
B) 1.8 × 10-9 s-1 
C) 1.6 × 108 s-1 
D) 1.3 × 10-33 s-1 
E) 1.3 × 1033 s-1

Question 17

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 18

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

Accepted Answer

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

Question 19

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 20

A spectrum containing radiation of specific wavelengths is called a(n)________.

Accepted Answer

The answer of A spectrum containing radiation of specific wavelengths...

Exam 6: Electronic Structure of Atoms

How many p-orbitals are occupied in a O atom?

The larger the principal quantum number of an orbital, the lower is the energy of the electrons in that orbital.

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

What wavelengths correspond to the visible region of the electromagnetic spectrum?

What color of visible light has the highest energy?

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

When the electron in a hydrogen atom moves from n = 6 to n = 1, light with a wavelength of ________ nm is emitted.

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

Which one of the following is an incorrect orbital notation?

Electromagnetic radiation travels through vacuum at a speed of ________ m/s.

In the Bohr model of the atom, ________.

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

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

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

The ________ subshell contains only one orbital.

What is the frequency (s-1)of electromagnetic radiation that has a wavelength of 0.53 m?

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

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

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

A spectrum containing radiation of specific wavelengths is called a(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

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

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

What is the frequency (s^-1)of electromagnetic radiation that has a wavelength of 0.53 m?

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