Question 1

Of the following elements,which has the highest electronegativity?

Accepted Answer

A) S 
B) Cl 
C) Ti 
D) Se 
A) S 
B) Cl 
C) Ti 
D) Se

Question 2

List the following compounds in decreasing electronegativity difference. 
Cl2 $\quad$HCl $\quad$NaCl

Accepted Answer

A) NaCl > Cl2 > HCl 
B) Cl2 > HCl > NaCl 
C) HCl > NaCl > Cl2 
D) NaCl > HCl > Cl2 
A) NaCl > Cl2 > HCl 
B) Cl2 > HCl > NaCl 
C) HCl > NaCl > Cl2 
D) NaCl > HCl > Cl2

Question 3

Which of the following represent the Lewis structure for N?

Accepted Answer

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

Question 4

Choose the bond below that is most polar.

Accepted Answer

A) C-N 
B) C-F 
C) C-O 
D) C-C 
E) F-F 
A) C-N 
B) C-F 
C) C-O 
D) C-C 
E) F-F

Question 5

How many lone pairs of electrons are on the I atom in IF4+?

Accepted Answer

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

Question 6

Identify an ionic bond.

Accepted Answer

A) Electrons are pooled. 
B) Electrons are shared. 
C) Electrons are transferred. 
D) Electrons are gained. 
E) Electrons are lost. 
A) Electrons are pooled. 
B) Electrons are shared. 
C) Electrons are transferred. 
D) Electrons are gained. 
E) Electrons are lost.

Question 7

Which of the following processes is exothermic?

Accepted Answer

A) the second ionization energy of Mg 
B) the sublimation of Li 
C) the breaking of the bond of I2 
D) the formation of NaBr from its constituent elements in their standard state 
E) None of the above processes is exothermic 
A) the second ionization energy of Mg 
B) the sublimation of Li 
C) the breaking of the bond of I2 
D) the formation of NaBr from its constituent elements in their standard state 
E) None of the above processes is exothermic

Question 8

Identify the shortest bond.

Accepted Answer

A) single covalent bond 
B) double covalent bond 
C) triple covalent bond 
D) All of the above bonds are the same length. 
A) single covalent bond 
B) double covalent bond 
C) triple covalent bond 
D) All of the above bonds are the same length.

Question 9

Identify the complete electronic configuration for Ca2+.

Accepted Answer

A) 1s22s22p63s24p6 
B) 1s22s22p63s23p6 
C) 1s22s22p63s23p5 
D) 1s22s23p64s25p6 
E) 1s22s2p63s2p6 
A) 1s22s22p63s24p6 
B) 1s22s22p63s23p6 
C) 1s22s22p63s23p5 
D) 1s22s23p64s25p6 
E) 1s22s2p63s2p6

Question 10

Which of the following elements can form hypercoordinate compounds?

Accepted Answer

A) Se 
B) C 
C) Li 
D) F 
A) Se 
B) C 
C) Li 
D) F

Question 11

Which ionic compound would be expected to have the highest lattice energy?

Accepted Answer

A) K2O 
B) CaO  
C) Ga2O3 
D) CsCl 
A) K2O 
B) CaO  
C) Ga2O3 
D) CsCl

Question 12

Identify the number of valence electrons for ICl5.

Accepted Answer

A) 36 
B) 40 
C) 42 
D) 44 
E) 46 
A) 36 
B) 40 
C) 42 
D) 44 
E) 46

Question 13

Which of the following elements can form hypercoordinate compounds?

Accepted Answer

A) N 
B) Br 
C) F 
D) Be 
E) None of the above can form compounds with an expanded octet. 
A) N 
B) Br 
C) F 
D) Be 
E) None of the above can form compounds with an expanded octet.

Question 14

Choose the best Lewis structure for ICl5.

Accepted Answer

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

Question 15

Place the following in order of increasing magnitude of lattice energy. 
CaO $\quad$MgO $\quad$SrS

Accepted Answer

A) MgO < CaO < SrS 
B) SrS < MgO < CaO 
C) SrS < CaO < MgO 
D) CaO < MgO < SrS 
E) CaO < SrS < MgO 
A) MgO < CaO < SrS 
B) SrS < MgO < CaO 
C) SrS < CaO < MgO 
D) CaO < MgO < SrS 
E) CaO < SrS < MgO

Question 16

Which of the following ionic compounds would be expected to have the highest lattice energy?

Accepted Answer

A) LiF 
B) LiCl 
C) LiBr 
D) LiI 
A) LiF 
B) LiCl 
C) LiBr 
D) LiI

Exam 9: Chemical Bonding I: Lewis Theory

Of the following elements,which has the highest electronegativity?

List the following compounds in decreasing electronegativity difference. Cl2 \quad HCl \quad NaCl

Which of the following represent the Lewis structure for N?

Choose the bond below that is most polar.

How many lone pairs of electrons are on the I atom in IF4+?

Identify an ionic bond.

Which of the following processes is exothermic?

Identify the shortest bond.

Identify the complete electronic configuration for Ca2+.

Which of the following elements can form hypercoordinate compounds?

Which ionic compound would be expected to have the highest lattice energy?

Identify the number of valence electrons for ICl5.

Which of the following elements can form hypercoordinate compounds?

Choose the best Lewis structure for ICl5.

Place the following in order of increasing magnitude of lattice energy. CaO \quad MgO \quad SrS

Which of the following ionic compounds would be expected to have the highest lattice energy?

Units of Measurement for Physical and Chemical Change

Atoms and Elements

Molecules,compounds,and Nomenclature

Chemical Reactions and Stoichiometry

Gases

Thermochemistry

The Quantum-Mechanical Model of the Atom

Periodic Properties of the Elements

Chemical Bonding II: Molecular Shapes, valence Bond Theory, and Molecular Orbital Theory

Liquids, solids, and Intermolecular Forces

Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Aqueous Ionic Equilibrium

Gibbs Energy and Thermodynamics

Electrochemistry

Radioactivity and Nuclear Chemistry

Organic Chemistry I: Structures

Organic Chemistry II: Reactions

Biochemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Transition Metals and Coordination Compounds

Filters

List the following compounds in decreasing electronegativity difference. Cl₂ $\quad$ HCl $\quad$ NaCl

How many lone pairs of electrons are on the I atom in IF₄⁺?

Identify the complete electronic configuration for Ca²⁺.

Identify the number of valence electrons for ICl₅.

Choose the best Lewis structure for ICl₅.

Place the following in order of increasing magnitude of lattice energy. CaO $\quad$ MgO $\quad$ SrS