Question 1

How many valence electrons does nitrogen have?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 2

In a molecule with covalent bonding,

Accepted Answer

A) atoms of metals form bonds to atoms of nonmetals. 
B) atoms of different metals form bonds. 
C) atoms of noble gases are held together by attractions between oppositely charged ions. 
D) atoms are held together by sharing electrons. 
E) oppositely charged ions are held together by strong electrical attractions. 
A) atoms of metals form bonds to atoms of nonmetals. 
B) atoms of different metals form bonds. 
C) atoms of noble gases are held together by attractions between oppositely charged ions. 
D) atoms are held together by sharing electrons. 
E) oppositely charged ions are held together by strong electrical attractions.

Question 3

The shape of the carbon dioxide molecule   is

Accepted Answer

A)  linear. 
B)  square. 
C)  bent. 
D)  hexagonal. 
E)  trigonal pyramidal. 
A)  linear. 
B)  square. 
C)  bent. 
D)  hexagonal. 
E)  trigonal pyramidal.

Question 4

What is the symbol for the ion with 19 protons and 18 electrons?

Accepted Answer

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

Question 5

An ionic compound

Accepted Answer

A) has a net negative charge. 
B) has a net charge of zero. 
C) contains only cations. 
D) has a net positive charge. 
E) contains only anions. 
A) has a net negative charge. 
B) has a net charge of zero. 
C) contains only cations. 
D) has a net positive charge. 
E) contains only anions.

Question 6

To form an ion, a sodium atom

Accepted Answer

A) gains two electrons. 
B) gains one electron. 
C) loses two electrons. 
D) loses seven electrons. 
E) loses one electron. 
A) gains two electrons. 
B) gains one electron. 
C) loses two electrons. 
D) loses seven electrons. 
E) loses one electron.

Question 7

The name of the HSO4- ion is

Accepted Answer

A) sulfate. 
B) hydrogen sulfite. 
C) sulfite. 
D) sulfide. 
E) hydrogen sulfate. 
A) sulfate. 
B) hydrogen sulfite. 
C) sulfite. 
D) sulfide. 
E) hydrogen sulfate.

Question 8

The shape of the carbon tetrachloride molecule is

Accepted Answer

A) trigonal pyramidal. 
B) square. 
C) octagonal. 
D) tetrahedral. 
E) linear. 
A) trigonal pyramidal. 
B) square. 
C) octagonal. 
D) tetrahedral. 
E) linear.

Question 9

The carbon tetrachloride molecule,   has a   shape.

Accepted Answer

A)  cubic 
B)  tetrahedral 
C)  circular 
D)  square 
E)  spherical 
A)  cubic 
B)  tetrahedral 
C)  circular 
D)  square 
E)  spherical

Question 10

How many lone pairs of electrons are in the Lewis structure of

Accepted Answer

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

Question 11

The name of   is

Accepted Answer

A)  dialuminum trisulfide. 
B)  aluminum(III) sulfate. 
C)  dialuminum sulfate. 
D)  dialuminum trisulfate. 
E)  aluminum sulfate. 
A)  dialuminum trisulfide. 
B)  aluminum(III) sulfate. 
C)  dialuminum sulfate. 
D)  dialuminum trisulfate. 
E)  aluminum sulfate.

Question 12

How many electrons will chlorine gain or lose when it forms an ion?

Accepted Answer

A) lose 7 
B) lose 3 
C) gain 1 
D) gain 2 
E) lose 1 
A) lose 7 
B) lose 3 
C) gain 1 
D) gain 2 
E) lose 1

Question 13

Which of the following compounds contains a polar covalent bond?

Accepted Answer

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

Question 14

The correct name of the compound   is

Accepted Answer

A)  trinitrogen chloride. 
B)  nitrogen chloride. 
C)  nickel chloride. 
D)  nitrogen trichloride. 
E)  nitrogen(III) chloride. 
A)  trinitrogen chloride. 
B)  nitrogen chloride. 
C)  nickel chloride. 
D)  nitrogen trichloride. 
E)  nitrogen(III) chloride.

Question 15

The correct name for the compound   is

Accepted Answer

A)  triiodine trifluoride 
B)  fluorine iodide. 
C)  triiodine fluoride. 
D)  iodine fluoride. 
E)  iodine trifluoride. 
A)  triiodine trifluoride 
B)  fluorine iodide. 
C)  triiodine fluoride. 
D)  iodine fluoride. 
E)  iodine trifluoride.

Question 16

How many valence electrons does carbon have?

Accepted Answer

A) one 
B) two 
C) three 
D) four 
E) five 
A) one 
B) two 
C) three 
D) four 
E) five

Question 17

The strongest interactions between molecules of hydrogen chloride are

Accepted Answer

A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) dipole-dipole attractions. 
E) dispersion forces. 
A) ionic bonds. 
B) covalent bonds. 
C) hydrogen bonds. 
D) dipole-dipole attractions. 
E) dispersion forces.

Question 18

A group of covalently bonded atoms that has an overall ionic charge is called a(n)

Accepted Answer

A) molecule. 
B) polyatomic ion. 
C) anion. 
D) ionic compound. 
E) cation. 
A) molecule. 
B) polyatomic ion. 
C) anion. 
D) ionic compound. 
E) cation.

Question 19

The VSEPR theory allows us to determine the most favorable

Accepted Answer

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

Question 20

Which one of the following elements forms two or more ions with different ionic charges?

Accepted Answer

A) K 
B) F 
C) O 
D) Ca 
E) Fe 
A) K 
B) F 
C) O 
D) Ca 
E) Fe

Exam 6: Ionic and Molecular Compounds

How many valence electrons does nitrogen have?

In a molecule with covalent bonding,

The shape of the carbon dioxide molecule is

What is the symbol for the ion with 19 protons and 18 electrons?

An ionic compound

To form an ion, a sodium atom

The name of the HSO4- ion is

The shape of the carbon tetrachloride molecule is

The carbon tetrachloride molecule, has a shape.

How many lone pairs of electrons are in the Lewis structure of

The name of is

How many electrons will chlorine gain or lose when it forms an ion?

Which of the following compounds contains a polar covalent bond?

The correct name of the compound is

The correct name for the compound is

How many valence electrons does carbon have?

The strongest interactions between molecules of hydrogen chloride are

A group of covalently bonded atoms that has an overall ionic charge is called a(n)

The VSEPR theory allows us to determine the most favorable

Which one of the following elements forms two or more ions with different ionic charges?

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