Question 1

The electronegativity difference between Mg and Cl is ____ and therefore the Mg-Cl bond is a(n)____ bond.

Accepted Answer

A)  1.8; polar covalent 
B)  (F1F1F1S1F1F1F101.8; nonpolar covalent) 
C)  4.2; ionic 
D)  (F1F1F1S1F1F1F104.2; nonpolar covalent) 
E)  1.8; ionic 
A)  1.8; polar covalent 
B)  (F1F1F1S1F1F1F101.8; nonpolar covalent) 
C)  4.2; ionic 
D)  (F1F1F1S1F1F1F104.2; nonpolar covalent) 
E)  1.8; ionic

Question 2

This table shows the relationship between the number of electron groups, the resulting electron geometries, and the corresponding angles between groups of electrons. Some of the blanks in the table have been filled in for you. The angle in the cell labeled A in the above table should be:

Accepted Answer

A)  360º 
B)  180º 
C)  120º 
D)  109.5º 
E)  90º 
A)  360º 
B)  180º 
C)  120º 
D)  109.5º 
E)  90º

Question 3

What is the molecular shape of chloroform (CHCl3)?

Accepted Answer

A)  linear 
B)  bent 
C)  trigonal planar 
D)  trigonal pyramidal 
E)  tetrahedral 
A)  linear 
B)  bent 
C)  trigonal planar 
D)  trigonal pyramidal 
E)  tetrahedral

Question 4

Which of the following is the best Lewis structure for a molecule with the formula C2H3Cl?

Accepted Answer

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

The electronegativity difference between Mg and Cl is and therefore the Mg-Cl bond is a(n) bond.

This table shows the relationship between the number of electron groups, the resulting electron geometries, and the corresponding angles between groups of electrons. Some of the blanks in the table have been filled in for you. The angle in the cell labeled A in the above table should be:

What is the molecular shape of chloroform (CHCl₃)?

Which of the following is the best Lewis structure for a molecule with the formula C₂H₃Cl?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

Exam 3: Compounds and Molecules

The electronegativity difference between Mg and Cl is ____ and therefore the Mg-Cl bond is a(n)____ bond.

This table shows the relationship between the number of electron groups, the resulting electron geometries, and the corresponding angles between groups of electrons. Some of the blanks in the table have been filled in for you. The angle in the cell labeled A in the above table should be:

What is the molecular shape of chloroform (CHCl3)?

Which of the following is the best Lewis structure for a molecule with the formula C2H3Cl?

Measuring Matter and Energy

Atomic Structure and Nuclear Radiation

Chemical Quantities and Chemical Reactions

Changes of State and the Gas Laws

Organic Chemistry: Hydrocarbons

Organic Chemistry and Biomolecules

Solutions, Colloids and Membranes

Acids and Bases

The Reactions of Organic Functional Groups in Biochemistry

Carbohydrates: Structure and Function

Lipids: Structure and Function

Proteins: Structure and Function

Nucleotides and Nucleic Acids

Energy and Metabolism

Filters

The electronegativity difference between Mg and Cl is and therefore the Mg-Cl bond is a(n) bond.

What is the molecular shape of chloroform (CHCl₃)?

Which of the following is the best Lewis structure for a molecule with the formula C₂H₃Cl?