Question 1

Each value of _____ quantum number designates a certain orbital.

Accepted Answer

A)  spin 
B)  angular 
C)  magnetic 
D)  parallel 
E)  principal 
A)  spin 
B)  angular 
C)  magnetic 
D)  parallel 
E)  principal

Question 2

The element Na has eleven valence electrons.

Accepted Answer

A) True 
 B)False

Question 3

How many valence electrons are present in a Ni atom with 28 electrons?

Accepted Answer

A)  1 
B)  2 
C)  3 
D)  5 
E)  9 
A)  1 
B)  2 
C)  3 
D)  5 
E)  9

Question 4

What is the wavelength of light if its frequency is 1.6 × 1014 s-1?

Accepted Answer

A)  5.3 × 10−7 m 
B)  1.9 × 10-6 m 
C)  4.8 × 1022 m 
D)  4.8 × 10-8 m 
E)  1.5 × 107 m 
A)  5.3 × 10−7 m 
B)  1.9 × 10-6 m 
C)  4.8 × 1022 m 
D)  4.8 × 10-8 m 
E)  1.5 × 107 m

Question 5

Which of the following spectra appear when electricity is passed through a gas and light is emitted and this light is passed though a prism?

Accepted Answer

A)  Continuous spectrum 
B)  Integrated spectrum 
C)  Line spectrum 
D)  Visible spectrum 
E)  Absorption spectrum 
A)  Continuous spectrum 
B)  Integrated spectrum 
C)  Line spectrum 
D)  Visible spectrum 
E)  Absorption spectrum

Question 6

How would the eight electrons for O be assigned to the n and ℓ quantum numbers? Briefly explain.

Accepted Answer

The first two electrons go into the 1s s

Question 7

Which of the following is an element in the d block of the periodic table?

Accepted Answer

A)  Cl 
B)  Fe 
C)  Na 
D)  K 
E)  Ne 
A)  Cl 
B)  Fe 
C)  Na 
D)  K 
E)  Ne

Question 8

Which of the following elements belongs to the s block in the periodic table?

Accepted Answer

A)  Fe 
B)  Ne 
C)  C 
D)  Na 
E)  N 
A)  Fe 
B)  Ne 
C)  C 
D)  Na 
E)  N

Question 9

Which of the following sets of quantum numbers is shared by electrons in the same orbital?

Accepted Answer

A)  {2, 1, 0, −1/2} and {2, 1, 1, +1/2} 
B)  {2, 1, 0, +1/2} and {2, 1, 0, −1/2} 
C)  {3, 1, 1 , −1/2} and {3, 1, −1, +1/2} 
D)  {3, 2, 0, +1/2} and {3, 2, 1, −1/2} 
E)  {1, 1, −1, −1/2} and {1, 1, 1, + 1/2} 
A)  {2, 1, 0, −1/2} and {2, 1, 1, +1/2} 
B)  {2, 1, 0, +1/2} and {2, 1, 0, −1/2} 
C)  {3, 1, 1 , −1/2} and {3, 1, −1, +1/2} 
D)  {3, 2, 0, +1/2} and {3, 2, 1, −1/2} 
E)  {1, 1, −1, −1/2} and {1, 1, 1, + 1/2}

Question 10

Briefly explain Pauli's exclusion principle.

Accepted Answer

Pauli's exclusion principle sa

Question 11

Frequency is the number of cycles of light that pass a given point in one minute .

Accepted Answer

A) True 
 B)False

Question 12

Which of the following numbers can be the value for angular momentum quantum number if the principal quantum is 1?

Accepted Answer

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

Question 13

What is referred to as electron affinity? How does it vary according to the relative position of elements in the periodic table?

Accepted Answer

Electron affinity is the energy change w

Question 14

What is spin quantum number? What are the values that it can have?

Accepted Answer

Spin quantum number is the index that in

Question 15

A(n) _____ is the representation of the organization of electrons in shells and subshells in an atom.

Accepted Answer

electron c

Question 16

Which of the following statements is consistent with the theory of quantum mechanics?

Accepted Answer

A)  Electrons do not have specific wavelengths 
B)  Electrons are collected into groups and subgroups 
C)  Electrons act as waves rather than particles 
D)  Electrons are neutrally charged particles 
E)  Electrons are not randomly distributed around a nucleus 
A)  Electrons do not have specific wavelengths 
B)  Electrons are collected into groups and subgroups 
C)  Electrons act as waves rather than particles 
D)  Electrons are neutrally charged particles 
E)  Electrons are not randomly distributed around a nucleus

Question 17

The wavelength of light is the number of cycles of light that pass a given point in one second.

Accepted Answer

A) True 
 B)False

Question 18

What is the energy of light if its frequency is 2.69 × 1010 s−1?

Accepted Answer

A)  3.7 × 10-14 J 
B)  9.01 ×1016 J 
C)  1.78 × 10-23 J 
D)  2.69 × 10-34 J 
E)  2.69 × 10-24 J 
A)  3.7 × 10-14 J 
B)  9.01 ×1016 J 
C)  1.78 × 10-23 J 
D)  2.69 × 10-34 J 
E)  2.69 × 10-24 J

Question 19

An electron is characterized by the following quantum number values. n = 3; ℓ = 2; mℓ = 1. Which of the following can be the spin quantum number for this electron?

Accepted Answer

A)  0 
B)  1 
C)  2 
D)  −1/2 
E)  +1/6 
A)  0 
B)  1 
C)  2 
D)  −1/2 
E)  +1/6

Question 20

The valence shell electron configuration of S is 3s23p5.

Accepted Answer

A) True 
 B)False

Each value of _____ quantum number designates a certain orbital.

The element Na has eleven valence electrons.

How many valence electrons are present in a Ni atom with 28 electrons?

What is the wavelength of light if its frequency is 1.6 × 10¹⁴ s^-1?

Which of the following spectra appear when electricity is passed through a gas and light is emitted and this light is passed though a prism?

How would the eight electrons for O be assigned to the n and ℓ quantum numbers? Briefly explain.

Which of the following is an element in the d block of the periodic table?

Which of the following elements belongs to the s block in the periodic table?

Which of the following sets of quantum numbers is shared by electrons in the same orbital?

Briefly explain Pauli's exclusion principle.

Frequency is the number of cycles of light that pass a given point in one minute .

Which of the following numbers can be the value for angular momentum quantum number if the principal quantum is 1?

What is referred to as electron affinity? How does it vary according to the relative position of elements in the periodic table?

What is spin quantum number? What are the values that it can have?

A(n) _____ is the representation of the organization of electrons in shells and subshells in an atom.

Which of the following statements is consistent with the theory of quantum mechanics?

The wavelength of light is the number of cycles of light that pass a given point in one second.

What is the energy of light if its frequency is 2.69 × 10¹⁰ s⁻¹?

An electron is characterized by the following quantum number values. n = 3; ℓ = 2; m_ℓ = 1. Which of the following can be the spin quantum number for this electron?

The valence shell electron configuration of S is 3s²3p⁵.

What Is Chemistry

Measurements

Atoms, Molecules, and Ions

Chemical Reactions and Equations

Stoichiometry and the Mole

Gases

Energy and Chemistry

Chemical Bonds

Solids and Liquids

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Nuclear Chemistry

Organic Chemistry

Filters

Exam 8: Electronic Structure

Each value of _____ quantum number designates a certain orbital.

The element Na has eleven valence electrons.

How many valence electrons are present in a Ni atom with 28 electrons?

What is the wavelength of light if its frequency is 1.6 × 1014 s-1?

Which of the following spectra appear when electricity is passed through a gas and light is emitted and this light is passed though a prism?

How would the eight electrons for O be assigned to the n and ℓ quantum numbers? Briefly explain.

Which of the following is an element in the d block of the periodic table?

Which of the following elements belongs to the s block in the periodic table?

Which of the following sets of quantum numbers is shared by electrons in the same orbital?

Briefly explain Pauli's exclusion principle.

Frequency is the number of cycles of light that pass a given point in one minute .

Which of the following numbers can be the value for angular momentum quantum number if the principal quantum is 1?

What is referred to as electron affinity? How does it vary according to the relative position of elements in the periodic table?

What is spin quantum number? What are the values that it can have?

A(n) _____ is the representation of the organization of electrons in shells and subshells in an atom.

Which of the following statements is consistent with the theory of quantum mechanics?

The wavelength of light is the number of cycles of light that pass a given point in one second.

What is the energy of light if its frequency is 2.69 × 1010 s−1?

An electron is characterized by the following quantum number values. n = 3; ℓ = 2; mℓ = 1. Which of the following can be the spin quantum number for this electron?

The valence shell electron configuration of S is 3s23p5.

What Is Chemistry

Measurements

Atoms, Molecules, and Ions

Chemical Reactions and Equations

Stoichiometry and the Mole

Gases

Energy and Chemistry

Chemical Bonds

Solids and Liquids

Solutions

Acids and Bases

Chemical Equilibrium

Oxidation and Reduction

Nuclear Chemistry

Organic Chemistry

Filters

What is the wavelength of light if its frequency is 1.6 × 10¹⁴ s^-1?

What is the energy of light if its frequency is 2.69 × 10¹⁰ s⁻¹?

An electron is characterized by the following quantum number values. n = 3; ℓ = 2; m_ℓ = 1. Which of the following can be the spin quantum number for this electron?

The valence shell electron configuration of S is 3s²3p⁵.