Question 1

Which of the following names is/are correct for the compound TiO2?

Accepted Answer

A)  titanium oxide 
B)  titanium (IV) dioxide 
C)  titanium dioxide and titanium (IV) oxide 
D)  titanium (II) oxide 
E)  titanium oxide and titanium (IV) dioxide 
A)  titanium oxide 
B)  titanium (IV) dioxide 
C)  titanium dioxide and titanium (IV) oxide 
D)  titanium (II) oxide 
E)  titanium oxide and titanium (IV) dioxide

Question 2

What is the electron configuration for the Fe2+ ion?

Accepted Answer

A)  [Ar]4s23d4 
B)  [Ar]4s03d6 
C)  [Ar]4s23d8 
D)  [Ar]4s63d2 
E)  [Ar]4s03d8 
A)  [Ar]4s23d4 
B)  [Ar]4s03d6 
C)  [Ar]4s23d8 
D)  [Ar]4s63d2 
E)  [Ar]4s03d8

Question 3

Which atom can accommodate an octet of electrons, but doesn't necessarily have to accommodate an octet?

Accepted Answer

A)  B 
B)  O 
C)  C 
D)  H 
E)  N 
A)  B 
B)  O 
C)  C 
D)  H 
E)  N

Question 4

Given that the average bond energies for C- H and C- Br bonds are 413 and 276 kJ/mol, respectively, the heat of atomization of bromoform (CHBr3) is _ kJ/mol.

Accepted Answer

A)  1241 
B)  1378 
C)  - 689 
D)  689 
E)  - 1378 
A)  1241 
B)  1378 
C)  - 689 
D)  689 
E)  - 1378

Question 5

The ion ICI4- has _ valence electrons.

Accepted Answer

A)  34 
B)  8 
C)  35 
D)  36 
E)  28 
A)  34 
B)  8 
C)  35 
D)  36 
E)  28

Question 6

Which of the following names is/are correct for the compound SnCl4?

Accepted Answer

A)  tin chloride and tin (II) tetrachloride 
B)  tin (IV) tetrachloride 
C)  tin tetrachloride and tin (IV) chloride 
D)  tin (II) chloride and tin (IV) chloride 
E)  tin chloride 
A)  tin chloride and tin (II) tetrachloride 
B)  tin (IV) tetrachloride 
C)  tin tetrachloride and tin (IV) chloride 
D)  tin (II) chloride and tin (IV) chloride 
E)  tin chloride

Question 7

The chloride of which of the following metals should have the greatest lattice energy?

Accepted Answer

A)  potassium 
B)  lithium 
C)  rubidium 
D)  sodium 
E)  cesium 
A)  potassium 
B)  lithium 
C)  rubidium 
D)  sodium 
E)  cesium

Question 8

A valid Lewis structure of _ _ cannot be drawn without violating the octet rule.

Accepted Answer

A)  ICl5  
B)  SiF4  
C)  CO2  
D)  SO2  
E)  NI3 
A)  ICl5  
B)  SiF4  
C)  CO2  
D)  SO2  
E)  NI3

Question 9

Using the table of average bond energies below, the OH for the reaction is kJ.

Accepted Answer

A)  +129 
B)  - 506 
C)  - 129 
D)  - 931 
E)  +506 
A)  +129 
B)  - 506 
C)  - 129 
D)  - 931 
E)  +506

Question 10

Of the ions below, only has a noble gas electron configuration.

Accepted Answer

A)  S3-  
B)  Cl-  
C)  I+  
D)  O2+  
E)  K- 
A)  S3-  
B)  Cl-  
C)  I+  
D)  O2+  
E)  K-

Question 11

From the information given below, calculate the heat of combustion of methane (CH4) (in kJ/mol). Start by writing the balanced equation.

Accepted Answer

CH₄+ 2O₂- CO₂+ 2H₂O OH_combustion= (4 mol C-

Question 12

Which two bonds are most similar in polarity?

Accepted Answer

A)  B-F and Cl-F 
B)  O-F and Cl-F 
C)  Al-Cl and I-Br 
D)  Cl-Cl and Be-Cl 
E)  I-Br and Si-Cl 
A)  B-F and Cl-F 
B)  O-F and Cl-F 
C)  Al-Cl and I-Br 
D)  Cl-Cl and Be-Cl 
E)  I-Br and Si-Cl

Question 13

A valid Lewis structure of _ _ cannot be drawn without violating the octet rule.

Accepted Answer

A)  SbF3  
B)  SO42-  
C)  NF3  
D)  PF3  
E)  IF3 
A)  SbF3  
B)  SO42-  
C)  NF3  
D)  PF3  
E)  IF3

Question 14

Which halogen, bromine or iodine, will form the more polar bond with phophorus ?

Accepted Answer

The answer of Which halogen, bromine or iodine, will form...

Question 15

Dynamite consists of nitroglycerine mixed with .

Accepted Answer

A)  diatomaceous earth or cellulose 
B)  potassium nitrate 
C)  damp KOH 
D)  TNT 
E)  solid carbon 
A)  diatomaceous earth or cellulose 
B)  potassium nitrate 
C)  damp KOH 
D)  TNT 
E)  solid carbon

Question 16

Atoms surrounded by eight valence electrons tend to lose electrons.

Accepted Answer

A) True 
 B)False

Question 17

Using the table of average bond energies below, the OH for the reaction is kJ.

Accepted Answer

A)  - 160 
B)  - 217 
C)  +160 
D)  - 63 
E)  +63 
A)  - 160 
B)  - 217 
C)  +160 
D)  - 63 
E)  +63

Question 18

Which ion below has a noble gas electron configuration?

Accepted Answer

A)  Be2+  
B)  N2-  
C)  C2+  
D)  B2+  
E)  Li2+ 
A)  Be2+  
B)  N2-  
C)  C2+  
D)  B2+  
E)  Li2+

Question 19

How many equivalent resonance forms can be drawn for SO2 without expanding octet on the sulfur atom (sulfur is the central atom)?

Accepted Answer

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

Question 20

Give the electron configuration of Cu2+.

Accepted Answer

Exam 8: Basic Concepts of Chemical Bonding

Which of the following names is/are correct for the compound TiO2?

What is the electron configuration for the Fe2+ ion?

Which atom can accommodate an octet of electrons, but doesn't necessarily have to accommodate an octet?

Given that the average bond energies for C- H and C- Br bonds are 413 and 276 kJ/mol, respectively, the heat of atomization of bromoform (CHBr3) is _ kJ/mol.

The ion ICI4- has _ valence electrons.

Which of the following names is/are correct for the compound SnCl4?

The chloride of which of the following metals should have the greatest lattice energy?

A valid Lewis structure of _ _ cannot be drawn without violating the octet rule.

Using the table of average bond energies below, the OH for the reaction is kJ.

Of the ions below, only has a noble gas electron configuration.

From the information given below, calculate the heat of combustion of methane (CH4) (in kJ/mol). Start by writing the balanced equation.

Which two bonds are most similar in polarity?

A valid Lewis structure of _ _ cannot be drawn without violating the octet rule.

Which halogen, bromine or iodine, will form the more polar bond with phophorus ?

Dynamite consists of nitroglycerine mixed with .

Atoms surrounded by eight valence electrons tend to lose electrons.

Using the table of average bond energies below, the OH for the reaction is kJ.

Which ion below has a noble gas electron configuration?

How many equivalent resonance forms can be drawn for SO2 without expanding octet on the sulfur atom (sulfur is the central atom)?

Give the electron configuration of Cu2+.

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Electronic Structure of Atoms

Periodic Properties of the Elements

Gases

Intermolecular Forces, Liquids, and Solids

Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Chemistry of the Nonmetals

Metals and Metallurgy

Chemistry of Coordination Compounds

The Chemistry of Life: Organic and Biological Chemistry

Filters

Which of the following names is/are correct for the compound TiO₂?

What is the electron configuration for the Fe²⁺ion?

Given that the average bond energies for C- H and C- Br bonds are 413 and 276 kJ/mol, respectively, the heat of atomization of bromoform (CHBr₃) is _ kJ/mol.

The ion ICI₄^-has _ valence electrons.

Which of the following names is/are correct for the compound SnCl₄?

From the information given below, calculate the heat of combustion of methane (CH₄) (in kJ/mol). Start by writing the balanced equation.

How many equivalent resonance forms can be drawn for SO₂without expanding octet on the sulfur atom (sulfur is the central atom)?

Give the electron configuration of Cu²⁺.