Question 1

In each pair,which ionization reaction is larger?
(a)I3 of B; or I3 of Be
(b)I4 of C; or I3 of B

Accepted Answer

(a)I₃ of Be

Question 2

Which of the following elements has the least metal character?

Accepted Answer

A) In 
B) Ge 
C) Te 
D) I 
E) Tl 
A) In 
B) Ge 
C) Te 
D) I 
E) Tl

Question 3

Which of the following has the largest radius?

Accepted Answer

A) P3− 
B) Cl- 
C) K+ 
D) Cl 
E) N3− 
A) P3− 
B) Cl- 
C) K+ 
D) Cl 
E) N3−

Question 4

Write the ground-state electron configuration of Cl+.

Accepted Answer

A) [Ne]3s23p4  
B) [Ne]3s23p5  
C) [Ne]3s13p4  
D) [Ne]3s23p6  
E) [Ar]3s23p4  
A) [Ne]3s23p4  
B) [Ne]3s23p5  
C) [Ne]3s13p4  
D) [Ne]3s23p6  
E) [Ar]3s23p4

Question 5

How many nodal planes are present in an f-orbital?

Accepted Answer

A) 2 
B) 3 
C) 7 
D) 4 
E) 5 
A) 2 
B) 3 
C) 7 
D) 4 
E) 5

Question 6

Where is the nodal plane for the px orbital?

Accepted Answer

A) On the x-z plane. 
B) On the y-z plane. 
C) On the x-y plane. 
D) Midway between the x-y and the y-z plane. 
E) The px orbital does not have a nodal plane. 
A) On the x-z plane. 
B) On the y-z plane. 
C) On the x-y plane. 
D) Midway between the x-y and the y-z plane. 
E) The px orbital does not have a nodal plane.

Question 7

Which of the following has the largest radius?

Accepted Answer

A) Cr 
B) Cl 
C) Cu 
D) Gd 
E) Ga 
A) Cr 
B) Cl 
C) Cu 
D) Gd 
E) Ga

Question 8

How many unpaired electrons are in a chromium atom?

Accepted Answer

A) 0 
B) 5 
C) 6 
D) 4 
E) 3 
A) 0 
B) 5 
C) 6 
D) 4 
E) 3

Question 9

Of the following,which has the largest atomic radius?

Accepted Answer

A) Ga  
B) Ge  
C) As 
D) Se 
E) Br  
A) Ga  
B) Ge  
C) As 
D) Se 
E) Br

Question 10

Which of the following has the smallest radius?

Accepted Answer

A) B3+ 
B) C4+ 
C) Fe2+ 
D) Fe 
E) Fe3+ 
A) B3+ 
B) C4+ 
C) Fe2+ 
D) Fe 
E) Fe3+

Question 11

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 2?

Accepted Answer

A) 4d and 10 
B) 4f and 14 
C) 4d and 5 
D) 4p and 3 
E) 4f and 7 
A) 4d and 10 
B) 4f and 14 
C) 4d and 5 
D) 4p and 3 
E) 4f and 7

Question 12

Consider the following ground-state electronic configurations.Which atom has the highest electron affinity?

Accepted Answer

A) [He] 2s22p5 
B) [He] 2s22p3 
C) [He] 2s22p1 
D) [He] 2s22p4 
A) [He] 2s22p5 
B) [He] 2s22p3 
C) [He] 2s22p1 
D) [He] 2s22p4

Question 13

Which of the following has the largest effective nuclear charge?

Accepted Answer

A) F 
B) Na 
C) Li 
D) He 
E) N 
A) F 
B) Na 
C) Li 
D) He 
E) N

Question 14

What is the inert-pair effect?

Accepted Answer

The inert-pair effect is the t

Question 15

Write the ground-state electron configuration of In+.

Accepted Answer

A) [Kr]4d75s25p3  
B) [Kr]4d85s15p3  
C) [Kr]4d55s15p6  
D) [Kr]4d105s2  
E) [Kr]4d105s15p1  
A) [Kr]4d75s25p3  
B) [Kr]4d85s15p3  
C) [Kr]4d55s15p6  
D) [Kr]4d105s2  
E) [Kr]4d105s15p1

Question 16

All the following are metals except:

Accepted Answer

A) Cd. 
B) Zn. 
C) Ge. 
D) Al. 
E) Ga. 
A) Cd. 
B) Zn. 
C) Ge. 
D) Al. 
E) Ga.

Question 17

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 3?

Accepted Answer

A) 4d and 5 
B) 4p and 3 
C) 3f and 7 
D) 3d and 5 
E) 4f and 7 
A) 4d and 5 
B) 4p and 3 
C) 3f and 7 
D) 3d and 5 
E) 4f and 7

Question 18

If the second ionization energy of copper is 1958 kJ·mol-1,the first ionization energy is likely to be greater than 1958 kJ·mol-1.

Accepted Answer

A) True 
 B)False

Question 19

How many unpaired electrons are in a xenon atom?

Accepted Answer

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

Question 20

Which of the following statements is true?

Accepted Answer

A) A p-electron penetrates more than an s-electron through the inner shells of an atom. 
B) A p-electron penetrates less than a d-electron through the inner shells of an atom. 
C) A p-electron has a nonzero probability density at the nucleus. 
D) A d-electron has a nonzero probability density at the nucleus. 
E) A p-electron experiences a smaller effective nuclear charge than an s-electron. 
A) A p-electron penetrates more than an s-electron through the inner shells of an atom. 
B) A p-electron penetrates less than a d-electron through the inner shells of an atom. 
C) A p-electron has a nonzero probability density at the nucleus. 
D) A d-electron has a nonzero probability density at the nucleus. 
E) A p-electron experiences a smaller effective nuclear charge than an s-electron.

In each pair,which ionization reaction is larger? (a)I₃ of B; or I₃ of Be (b)I₄ of C; or I₃ of B

Which of the following elements has the least metal character?

Which of the following has the largest radius?

Write the ground-state electron configuration of Cl⁺.

How many nodal planes are present in an f-orbital?

Where is the nodal plane for the p_x orbital?

Which of the following has the largest radius?

How many unpaired electrons are in a chromium atom?

Of the following,which has the largest atomic radius?

Which of the following has the smallest radius?

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 2?

Consider the following ground-state electronic configurations.Which atom has the highest electron affinity?

Which of the following has the largest effective nuclear charge?

What is the inert-pair effect?

Write the ground-state electron configuration of In⁺.

All the following are metals except:

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 3?

If the second ionization energy of copper is 1958 kJ·mol^-1,the first ionization energy is likely to be greater than 1958 kJ·mol^-1.

How many unpaired electrons are in a xenon atom?

Which of the following statements is true?

The Quantum World

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

Exam 2: Quantum Mechanics in Action: Atoms

In each pair,which ionization reaction is larger? (a)I3 of B; or I3 of Be (b)I4 of C; or I3 of B

Which of the following elements has the least metal character?

Which of the following has the largest radius?

Write the ground-state electron configuration of Cl+.

How many nodal planes are present in an f-orbital?

Where is the nodal plane for the px orbital?

Which of the following has the largest radius?

How many unpaired electrons are in a chromium atom?

Of the following,which has the largest atomic radius?

Which of the following has the smallest radius?

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 2?

Consider the following ground-state electronic configurations.Which atom has the highest electron affinity?

Which of the following has the largest effective nuclear charge?

What is the inert-pair effect?

Write the ground-state electron configuration of In+.

All the following are metals except:

What are the subshell notation and the number of orbitals having the quantum numbers n = 4,l = 3?

If the second ionization energy of copper is 1958 kJ·mol-1,the first ionization energy is likely to be greater than 1958 kJ·mol-1.

How many unpaired electrons are in a xenon atom?

Which of the following statements is true?

The Quantum World

Chemical Bonds

Molecular Shape and Structure

The Properties of Gases

Liquids and Solids

Inorganic Materials

Thermodynamics: The First Law

Thermodynamics: The Second and Third Laws

Physical Equilibria

Chemical Equilibria

Acids and Bases

Aqueous Equilibria

Electrochemistry

Chemical Kinetics

The Elements: the Main Group Elements

The Elements: The D Block

Nuclear Chemistry

Organic Chemistry I

Organic Chemistry II

Filters

In each pair,which ionization reaction is larger? (a)I₃ of B; or I₃ of Be (b)I₄ of C; or I₃ of B

Write the ground-state electron configuration of Cl⁺.

Where is the nodal plane for the p_x orbital?

Write the ground-state electron configuration of In⁺.

If the second ionization energy of copper is 1958 kJ·mol^-1,the first ionization energy is likely to be greater than 1958 kJ·mol^-1.