Question 1

Indicate the type of bonding you would expect between the following elements.
-H and F

Accepted Answer

A) nonpolar covalent 
B) ionic 
C) none 
D) polar covalent 
A) nonpolar covalent 
B) ionic 
C) none 
D) polar covalent

Question 2

Identify each of the following molecules as polar or nonpolar.
-hydrogen fluoride

Accepted Answer

The answer of Identify each of the following molecules as...

Question 3

Match the chemical name with the correct formula.
-magnesium sulfite

Accepted Answer

A) MgSO₄ 
B) Mg(HSO₄)₂ 
C) MgS 
D) MgSO₃ 
E) Mg(HSO₃)₂ 
A) MgSO₄ 
B) Mg(HSO₄)₂ 
C) MgS 
D) MgSO₃ 
E) Mg(HSO₃)₂

Question 4

Indicate the type of bonding you would expect between the following elements.
-N and F

Accepted Answer

A) nonpolar covalent 
B) ionic 
C) none 
D) polar covalent 
A) nonpolar covalent 
B) ionic 
C) none 
D) polar covalent

Question 5

Identify each of the following compounds as covalent or ionic.
-The weakest type of force between particles of a substance is termed __________.

Accepted Answer

The answer of Identify each of the following compounds as...

Question 6

A polar covalent bond is found in which of these compounds?

Accepted Answer

A)  H₂O 
B)  F2 
C)  NaCl 
D)  H₂ 
E)  N₂ 
A)  H₂O 
B)  F2 
C)  NaCl 
D)  H₂ 
E)  N₂

Question 7

Which of the following polyatomic ions has a positive charge?

Accepted Answer

A)  hydroxide 
B)  sulfate 
C)  hydrogen carbonate 
D)  ammonium 
E)  nitrate 
A)  hydroxide 
B)  sulfate 
C)  hydrogen carbonate 
D)  ammonium 
E)  nitrate

Question 8

Which of the following is the correct electron-dot structure for carbon?

Accepted Answer

A)  $: \ddot { c }$ 
B)    
C)    
D)    
E)  $\cdot \ddot { \mathrm { C } } \cdot$ 
A)  $: \ddot { c }$ 
B)    
C)    
D)    
E)  $\cdot \ddot { \mathrm { C } } \cdot$

Question 9

Double and triple bonds form because

Accepted Answer

A)  the atoms involved have high electronegativities. 
B)  single covalent bonds do not give all of the atoms in the molecule eight valence electrons. 
C)  one of the atoms in the molecule has more than eight valence electrons. 
D)  the ions involved have charges larger than one. 
E)  there is at least one hydrogen atom involved in the bond. 
A)  the atoms involved have high electronegativities. 
B)  single covalent bonds do not give all of the atoms in the molecule eight valence electrons. 
C)  one of the atoms in the molecule has more than eight valence electrons. 
D)  the ions involved have charges larger than one. 
E)  there is at least one hydrogen atom involved in the bond.

Question 10

If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is

Accepted Answer

A)  ionic. 
B)  nonpolar ionic. 
C)  nonpolar covalent. 
D)  polar covalent. 
E)  impossible. 
A)  ionic. 
B)  nonpolar ionic. 
C)  nonpolar covalent. 
D)  polar covalent. 
E)  impossible.

Question 11

The name of the Cu+ ion is

Accepted Answer

A)  copper (II). 
B)  copper (I). 
C)  cobalt. 
D)  copper. 
E)  cuprum. 
A)  copper (II). 
B)  copper (I). 
C)  cobalt. 
D)  copper. 
E)  cuprum.

Question 12

Indicate the type of bonding you would expect between the following elements.
-Na and F

Accepted Answer

A) nonpolar covalent 
B) ionic 
C) none 
D) polar covalent 
A) nonpolar covalent 
B) ionic 
C) none 
D) polar covalent

Question 13

Identify each of the following compounds as covalent or ionic.
-Are dipole-dipole interactions weak or strong compared to ionic bonds?

Accepted Answer

The answer of Identify each of the following compounds as...

Question 14

The octet rule indicates that

Accepted Answer

A)  all of the noble gases have eight total electrons. 
B)  all of the shells in an atom hold a maximum of 8 electrons. 
C)  all of the Group A elements have 8 valence electrons. 
D)  atoms lose, gain, or share valence electrons to have 8 valence electrons. 
E)  the noble gases react with other compounds to get 8 valence electrons. 
A)  all of the noble gases have eight total electrons. 
B)  all of the shells in an atom hold a maximum of 8 electrons. 
C)  all of the Group A elements have 8 valence electrons. 
D)  atoms lose, gain, or share valence electrons to have 8 valence electrons. 
E)  the noble gases react with other compounds to get 8 valence electrons.

Question 15

The bond in Cl₂ is a(n)

Accepted Answer

A)  ionic bond. 
B)  nonpolar covalent bond. 
C)  metallic bond. 
D)  polar ionic bond. 
E)  no bond. 
A)  ionic bond. 
B)  nonpolar covalent bond. 
C)  metallic bond. 
D)  polar ionic bond. 
E)  no bond.

Question 16

Which of the following polyatomic ions has a 3- ionic charge?

Accepted Answer

A)  hydroxide 
B)  nitrate 
C)  sulfate 
D)  phosphate 
E)  bicarbonate 
A)  hydroxide 
B)  nitrate 
C)  sulfate 
D)  phosphate 
E)  bicarbonate

Question 17

The ion of aluminum is

Accepted Answer

A)  Al+. 
B)  Al2+. 
C)  Al3+. 
D)  Al3-. 
E)  Al2-. 
A)  Al+. 
B)  Al2+. 
C)  Al3+. 
D)  Al3-. 
E)  Al2-.

Question 18

The VSEPR theory allows us to determine the most favorable

Accepted Answer

A)  shape of a molecule. 
B)  charge on an ion. 
C)  color of a compound. 
D)  bond type for a molecule. 
E)  formula for a compound. 
A)  shape of a molecule. 
B)  charge on an ion. 
C)  color of a compound. 
D)  bond type for a molecule. 
E)  formula for a compound.

Question 19

The water molecule has a dipole with the negative portion

Accepted Answer

A)  localized between the hydrogen atoms. 
B)  pointing toward the oxygen atom. 
C)  localized on one of the hydrogens. 
D)  pointing from the oxygen through the hydrogen atoms. 
E)  surrounding the molecule. 
A)  localized between the hydrogen atoms. 
B)  pointing toward the oxygen atom. 
C)  localized on one of the hydrogens. 
D)  pointing from the oxygen through the hydrogen atoms. 
E)  surrounding the molecule.

Question 20

Choose the best electron-dot structure for OCl₂.

Accepted Answer

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

Exam 5: Compounds and Their Bonds

Indicate the type of bonding you would expect between the following elements. -H and F

Identify each of the following molecules as polar or nonpolar. -hydrogen fluoride

Match the chemical name with the correct formula. -magnesium sulfite

Indicate the type of bonding you would expect between the following elements. -N and F

Identify each of the following compounds as covalent or ionic. -The weakest type of force between particles of a substance is termed __________.

A polar covalent bond is found in which of these compounds?

Which of the following polyatomic ions has a positive charge?

Which of the following is the correct electron-dot structure for carbon?

Double and triple bonds form because

If the electronegativity difference between elements X and Y is 2.1, the bond between the elements X-Y is

The name of the Cu+ ion is

Indicate the type of bonding you would expect between the following elements. -Na and F

Identify each of the following compounds as covalent or ionic. -Are dipole-dipole interactions weak or strong compared to ionic bonds?

The octet rule indicates that

The bond in Cl₂ is a(n)

Which of the following polyatomic ions has a 3- ionic charge?

The ion of aluminum is

The VSEPR theory allows us to determine the most favorable

The water molecule has a dipole with the negative portion

Choose the best electron-dot structure for OCl₂.

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The name of the Cu⁺ ion is