Question 1

Which of the following contains ionic bonding?

Accepted Answer

A)  CO 
B)  SrF2 
C)  Al 
D)  OCl2 
E)  HCl 
A)  CO 
B)  SrF2 
C)  Al 
D)  OCl2 
E)  HCl

Question 2

Covalent bonding typically occurs when a ______________ bonds with a ______________.

Accepted Answer

non-metal;

Question 3

Using appropriate, real examples to illustrate your answer, describe the correlation between bond energy and bond length for a series of varying bond order.

Accepted Answer

Carbon and oxygen form single, double, a

Question 4

Ionic bonding typically occurs when a ______________ bonds with a ______________.

Accepted Answer

The answer of Ionic bonding typically occurs when a ______________...

Question 5

Which of the following period 3 chlorides would be expected to have the highest melting point?

Accepted Answer

A)  MgCl2 
B)  AlCl3 
C)  SiCl4 
D)  PCl3 
E)  SCl2 
A)  MgCl2 
B)  AlCl3 
C)  SiCl4 
D)  PCl3 
E)  SCl2

Question 6

Which of the following is a covalent compound?

Accepted Answer

A)  Na2O 
B)  CaCl2 
C)  Cl2O 
D)  CsCl 
E)  Al2O3 
A)  Na2O 
B)  CaCl2 
C)  Cl2O 
D)  CsCl 
E)  Al2O3

Question 7

The lattice energy for ionic crystals increases as the charge on the ions _____________ and the size of the ions __________________.

Accepted Answer

A)  increases, increases 
B)  increases, decreases 
C)  decreases, increases 
D)  decreases, decreases 
E)  None of the above is generally correct. 
A)  increases, increases 
B)  increases, decreases 
C)  decreases, increases 
D)  decreases, decreases 
E)  None of the above is generally correct.

Question 8

Which of the following elements is the most electronegative?

Accepted Answer

A)  Ne 
B)  Rb 
C)  P 
D)  I 
E)  Cl 
A)  Ne 
B)  Rb 
C)  P 
D)  I 
E)  Cl

Question 9

Select the most polar bond amongst the following.

Accepted Answer

A)  C-O 
B)  Si-F 
C)  Cl-F 
D)  C-F 
E)  C-I 
A)  C-O 
B)  Si-F 
C)  Cl-F 
D)  C-F 
E)  C-I

Question 10

Which of the following elements is the least electronegative?

Accepted Answer

A)  Si 
B)  Se 
C)  S 
D)  Sc 
E)  Sr 
A)  Si 
B)  Se 
C)  S 
D)  Sc 
E)  Sr

Question 11

The melting points of metals are only moderately high because

Accepted Answer

A)  metallic bonding is weak. 
B)  metals have fewer bonding electrons than non-metals. 
C)  metals also have relatively low boiling points. 
D)  the melting process does not break the metallic bonds. 
E)  metals prefer to be bonded to non-metals. 
A)  metallic bonding is weak. 
B)  metals have fewer bonding electrons than non-metals. 
C)  metals also have relatively low boiling points. 
D)  the melting process does not break the metallic bonds. 
E)  metals prefer to be bonded to non-metals.

Question 12

The electrostatic energy of two charged particles is inversely proportional to the distance between them.

Accepted Answer

A) True 
 B)False

Question 13

Hydrogenation of double and triple bonds is an important industrial process. Calculate (in kJ) the standard enthalpy change F1F1F1S1F1F1F10H° for the hydrogenation of ethyne (acetylene) to ethane.

Accepted Answer

A)  -296 kJ 
B)  -51 kJ 
C)  51 kJ 
D)  296 kJ 
E)  381 kJ 
A)  -296 kJ 
B)  -51 kJ 
C)  51 kJ 
D)  296 kJ 
E)  381 kJ

Question 14

When an atom is represented in a Lewis electron dot symbol, the element symbol represents ______________ and the dots represent ______________.

Accepted Answer

nucleus an

Which of the following contains ionic bonding?

Covalent bonding typically occurs when a bonds with a .

Using appropriate, real examples to illustrate your answer, describe the correlation between bond energy and bond length for a series of varying bond order.

Ionic bonding typically occurs when a bonds with a .

Which of the following period 3 chlorides would be expected to have the highest melting point?

Which of the following is a covalent compound?

The lattice energy for ionic crystals increases as the charge on the ions _ and the size of the ions ______.

Which of the following elements is the most electronegative?

Select the most polar bond amongst the following.

Which of the following elements is the least electronegative?

The melting points of metals are only moderately high because

The electrostatic energy of two charged particles is inversely proportional to the distance between them.

Hydrogenation of double and triple bonds is an important industrial process. Calculate (in kJ) the standard enthalpy change H° for the hydrogenation of ethyne (acetylene) to ethane.

When an atom is represented in a Lewis electron dot symbol, the element symbol represents and the dots represent .

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

The Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main Group Elements: Bonding, Structure, and Reactivity

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Exam 9: Models of Chemical Bonding

Which of the following contains ionic bonding?

Covalent bonding typically occurs when a ______________ bonds with a ______________.

Using appropriate, real examples to illustrate your answer, describe the correlation between bond energy and bond length for a series of varying bond order.

Ionic bonding typically occurs when a ______________ bonds with a ______________.

Which of the following period 3 chlorides would be expected to have the highest melting point?

Which of the following is a covalent compound?

The lattice energy for ionic crystals increases as the charge on the ions _____________ and the size of the ions __________________.

Which of the following elements is the most electronegative?

Select the most polar bond amongst the following.

Which of the following elements is the least electronegative?

The melting points of metals are only moderately high because

The electrostatic energy of two charged particles is inversely proportional to the distance between them.

Hydrogenation of double and triple bonds is an important industrial process. Calculate (in kJ) the standard enthalpy change H° for the hydrogenation of ethyne (acetylene) to ethane.

When an atom is represented in a Lewis electron dot symbol, the element symbol represents ______________ and the dots represent ______________.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

The Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Periodic Patterns in the Main Group Elements: Bonding, Structure, and Reactivity

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

Covalent bonding typically occurs when a bonds with a .

Ionic bonding typically occurs when a bonds with a .

The lattice energy for ionic crystals increases as the charge on the ions _ and the size of the ions ______.

When an atom is represented in a Lewis electron dot symbol, the element symbol represents and the dots represent .