Question 1

Which of these ionic solids would have the largest lattice energy?

Accepted Answer

A) NaCl 
B) NaF 
C) CaBr2 
D) CsI 
E) CaCl2 
A) NaCl 
B) NaF 
C) CaBr2 
D) CsI 
E) CaCl2

Question 2

Which statement is false concerning ionic bonds and compounds?

Accepted Answer

A) Ionic bonds are a result of electrostatic forces. 
B) Ionic bonds usually occur between elements with high and low electron affinities. 
C) Elements of an ionic compound usually carry the same charge. 
D) Lewis dot symbols are useful for tracking electrons. 
A) Ionic bonds are a result of electrostatic forces. 
B) Ionic bonds usually occur between elements with high and low electron affinities. 
C) Elements of an ionic compound usually carry the same charge. 
D) Lewis dot symbols are useful for tracking electrons.

Question 3

Select the compound with the highest (i.e.,most negative)lattice energy.

Accepted Answer

A) CaS(s) 
B) BaO(s) 
C) NaI(s) 
D) LiBr(s) 
E) MgO(s) 
A) CaS(s) 
B) BaO(s) 
C) NaI(s) 
D) LiBr(s) 
E) MgO(s)

Question 4

Select the element whose Lewis symbol is correct.

Accepted Answer

A) •Ga• 
B) •Al• 
C) Al• 
D) 
•
•
Tl
•
• 
A) •Ga• 
B) •Al• 
C) Al• 
D) 
•
•
Tl
•
•

Question 5

Which of these compounds is most likely to be covalent?

Accepted Answer

A) KF 
B) CaCl2 
C) SF4 
D) Al2O3 
E) CaSO4 
A) KF 
B) CaCl2 
C) SF4 
D) Al2O3 
E) CaSO4

Question 6

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Accepted Answer

A)    
B)    
C)    
D)    
E) None of these choices is correct. 
A)    
B)    
C)    
D)    
E) None of these choices is correct.

Question 7

Which of these pairs of elements would be most likely to form an ionic compound?

Accepted Answer

A) Cl and I 
B) Al and K 
C) Cl and Mg 
D) C and S 
E) Al and Mg 
A) Cl and I 
B) Al and K 
C) Cl and Mg 
D) C and S 
E) Al and Mg

Question 8

How many total resonance structures can be drawn for the sulfate ion,SO42-?

Accepted Answer

A) 2 
B) 3 
C) 4 
D) 5 
E) 6 
A) 2 
B) 3 
C) 4 
D) 5 
E) 6

Question 9

Select the correct Lewis structure for nitrogen trifluoride,NF3.

Accepted Answer

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

Question 10

The Lewis dot symbol consists of the symbol for the element surrounded by dot(s).What does the dot or dots represent?

Accepted Answer

A) Electron configuration 
B) Valence electrons 
C) Atomic number 
D) Atomic mass 
E) Core electrons 
A) Electron configuration 
B) Valence electrons 
C) Atomic number 
D) Atomic mass 
E) Core electrons

Question 11

Which of these ionic solids would have the largest lattice energy?

Accepted Answer

A) SrO 
B) NaF 
C) CaBr2 
D) CsI 
E) BaSO4 
A) SrO 
B) NaF 
C) CaBr2 
D) CsI 
E) BaSO4

Question 12

Unshared electrons are always shown in pairs around an atom.

Accepted Answer

A) True 
 B)False

Question 13

In which one of the following is the best Lewis structure a resonance structure?

Accepted Answer

A) SO3 
B) BF3 
C) I3- 
D) SCO (C = central atom) 
E) SO32- 
A) SO3 
B) BF3 
C) I3- 
D) SCO (C = central atom) 
E) SO32-

Question 14

What types of elements undergo ionic bonding?

Accepted Answer

A) two metals 
B) a nonmetal and a metal 
C) two nonmetals 
D) two Group 1A elements 
E) two noble gases 
A) two metals 
B) a nonmetal and a metal 
C) two nonmetals 
D) two Group 1A elements 
E) two noble gases

Question 15

How many dots does the Lewis dot symbol for magnesium have around it?

Accepted Answer

A) 1 
B) 2 
C) 0 
D) 3 
E) 7 
A) 1 
B) 2 
C) 0 
D) 3 
E) 7

Question 16

What name is given to the sharing of electrons between two atoms?

Accepted Answer

The answer of What name is given to the sharing...

Question 17

How many dots does the Lewis dot symbol for carbon have around it?

Accepted Answer

A) 4 
B) 2 
C) 6 
D) 3 
E) 7 
A) 4 
B) 2 
C) 6 
D) 3 
E) 7

Question 18

When an alkali metal combines with a nonmetal,a covalent bond is normally formed.

Accepted Answer

A) True 
 B)False

Question 19

Which one of the following compounds is most likely to be ionic?

Accepted Answer

A) HNF2 
B) H2CO 
C) N2H4 
D) CaCl2 
E) ICl 
A) HNF2 
B) H2CO 
C) N2H4 
D) CaCl2 
E) ICl

Question 20

What is the electrostatic attraction called that holds oppositely charged ions together in a compound?

Accepted Answer

The answer of What is the electrostatic attraction called that...

Exam 8: Chemical Bonding I Basic Concepts

Which of these ionic solids would have the largest lattice energy?

Which statement is false concerning ionic bonds and compounds?

Select the compound with the highest (i.e.,most negative)lattice energy.

Select the element whose Lewis symbol is correct.

Which of these compounds is most likely to be covalent?

Select the correct Lewis structure for NOCl,a reactive material used as an ionizing solvent.

Which of these pairs of elements would be most likely to form an ionic compound?

How many total resonance structures can be drawn for the sulfate ion,SO42-?

Select the correct Lewis structure for nitrogen trifluoride,NF3.

The Lewis dot symbol consists of the symbol for the element surrounded by dot(s).What does the dot or dots represent?

Which of these ionic solids would have the largest lattice energy?

Unshared electrons are always shown in pairs around an atom.

In which one of the following is the best Lewis structure a resonance structure?

What types of elements undergo ionic bonding?

How many dots does the Lewis dot symbol for magnesium have around it?

What name is given to the sharing of electrons between two atoms?

How many dots does the Lewis dot symbol for carbon have around it?

When an alkali metal combines with a nonmetal,a covalent bond is normally formed.

Which one of the following compounds is most likely to be ionic?

What is the electrostatic attraction called that holds oppositely charged ions together in a compound?

Chemistry: the Central Science

Atoms Molecules and Ions

Stoichiometry Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding Ii Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy Free Energy and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Organic Chemistry

Filters

How many total resonance structures can be drawn for the sulfate ion,SO₄^2-?

Select the correct Lewis structure for nitrogen trifluoride,NF₃.