Question 1

What is the correct formula for iron(III) sulfide?

Accepted Answer

A) Fe2S2 
B) Fe2S 
C) FeS 
D) FeS2 
E) Fe2S3 
A) Fe2S2 
B) Fe2S 
C) FeS 
D) FeS2 
E) Fe2S3

Question 2

The name of the HSO4 - ion is

Accepted Answer

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

Question 3

In ionic compounds, ________ lose their valence electrons to form positively charged ________. (5,2)

Accepted Answer

A) metals; anions 
B) nonmetals; cations 
C) metals; polyatomic ions 
D) nonmetals; anions 
E) metals; cations 
A) metals; anions 
B) nonmetals; cations 
C) metals; polyatomic ions 
D) nonmetals; anions 
E) metals; cations

Question 4

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

Accepted Answer

A) lose 1 
B) gain 5 
C) lose 2 
D) lose 3 
E) gain 1 
A) lose 1 
B) gain 5 
C) lose 2 
D) lose 3 
E) gain 1

Question 5

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 6

Identify each of the following molecules as polar or nonpolar.
-carbon monoxide

Accepted Answer

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

Question 7

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

Accepted Answer

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

Question 8

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

Accepted Answer

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

Question 9

The shape of the carbon dioxide (CO2) is

Accepted Answer

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

Question 10

Identify each of the following compounds as covalent or ionic.
-carbon tetrachloride

Accepted Answer

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

Question 11

The correct formula for the compound formed from Mg and S is

Accepted Answer

A) MgS. 
B) MgS2. 
C) Mg2S. 
D) Mg2S2. 
E) Mg2S3. 
A) MgS. 
B) MgS2. 
C) Mg2S. 
D) Mg2S2. 
E) Mg2S3.

Question 12

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 13

Identify each of the following compounds as covalent or ionic.
-carbon dioxide

Accepted Answer

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

Question 14

The strongest interactions between molecules of hydrogen ( H2) are

Accepted Answer

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

Question 15

Are dipole-dipole interactions weak or strong compared to ionic bonds?

Accepted Answer

The answer of Are dipole-dipole interactions weak or strong compared...

Question 16

In a molecule with covalent bonding

Accepted Answer

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

Question 17

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 18

The carbon tetrachloride molecule, CCl₄ , is

Accepted Answer

A) a polar molecule with polar bonds. 
B) a nonpolar molecule with polar bonds. 
C) a nonpolar molecule with nonpolar bonds. 
D) a polar molecule with nonpolar bonds. 
E) a polar molecule with ionic bonds. 
A) a polar molecule with polar bonds. 
B) a nonpolar molecule with polar bonds. 
C) a nonpolar molecule with nonpolar bonds. 
D) a polar molecule with nonpolar bonds. 
E) a polar molecule with ionic bonds.

Question 19

To form an ion, a sodium atom

Accepted Answer

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

Question 20

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

Accepted Answer

A) lose 1 
B) gain 5 
C) lose 2 
D) lose 3 
E) gain 1 
A) lose 1 
B) gain 5 
C) lose 2 
D) lose 3 
E) gain 1

Exam 6: Ionic and Molecular Compounds

What is the correct formula for iron(III) sulfide?

The name of the HSO4 - ion is

In ionic compounds, ________ lose their valence electrons to form positively charged ________. (5,2)

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

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

Identify each of the following molecules as polar or nonpolar. -carbon monoxide

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

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

The shape of the carbon dioxide (CO2) is

Identify each of the following compounds as covalent or ionic. -carbon tetrachloride

The correct formula for the compound formed from Mg and S is

Which of the following polyatomic ions has a positive charge?

Identify each of the following compounds as covalent or ionic. -carbon dioxide

The strongest interactions between molecules of hydrogen ( H2) are

Are dipole-dipole interactions weak or strong compared to ionic bonds?

In a molecule with covalent bonding

The octet rule indicates that

The carbon tetrachloride molecule, CCl₄ , is

To form an ion, a sodium atom

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

Chemistry in Our Lives

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Filters

The name of the HSO₄ - ion is

In ionic compounds, lose their valence electrons to form positively charged . (5,2)

The shape of the carbon dioxide (CO₂) is

The strongest interactions between molecules of hydrogen ( H₂) are