Question 1

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 2

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 3

What is the formula of carbon tetraiodide?

Accepted Answer

A)  CI 
B)  CI4 
C)  C4I 
D)  CI3 
E)  C2I4 
A)  CI 
B)  CI4 
C)  C4I 
D)  CI3 
E)  C2I4

Question 4

Match the correct name of the polyatomic ions with the formulas given.
-O

Accepted Answer

A) 1- 
B) 0 
C) 2- 
D) 3+ 
E) 2+
F)1+ 
A) 1- 
B) 0 
C) 2- 
D) 3+ 
E) 2+
F)1+

Question 5

The shape of the water molecule (H₂O) is

Accepted Answer

A)  linear. 
B)  tetrahedral. 
C)  pyramidal. 
D)  bent 
E)  octagonal. 
A)  linear. 
B)  tetrahedral. 
C)  pyramidal. 
D)  bent 
E)  octagonal.

Question 6

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 7

The number of electrons in the highest energy level of carbon is

Accepted Answer

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

Question 8

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

Question 9

The strongest interactions between molecules of hydrogen chloride are

Accepted Answer

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

Question 10

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

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 11

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

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 12

Valence electrons are electrons located

Accepted Answer

A)  in the outermost energy level of an atom. 
B)  in the nucleus of an atom. 
C)  in the innermost energy level of an atom. 
D)  throughout the atom. 
E)  in the first three shells of an atom. 
A)  in the outermost energy level of an atom. 
B)  in the nucleus of an atom. 
C)  in the innermost energy level of an atom. 
D)  throughout the atom. 
E)  in the first three shells of an atom.

Question 13

In ionic compounds, __________ lose their valence electrons to form positively charged __________.

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 14

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

Accepted Answer

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

Question 15

The number of electrons in the highest energy level of nitrogen is

Accepted Answer

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

Question 16

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 17

Match the correct name of the polyatomic ions with the formulas given.
-SO₄2-

Accepted Answer

A)  sulfate 
B)  nitrate 
C)  hydrogen carbonate 
D)  hydroxide 
E)  nitrite
F) oxide
G) phosphate
H) carbonate
I) hydrogen sulfite
J) carbonite
K) sulfite
L) hydrogen sulfate
M) phosphate. 
A)  sulfate 
B)  nitrate 
C)  hydrogen carbonate 
D)  hydroxide 
E)  nitrite
F) oxide
G) phosphate
H) carbonate
I) hydrogen sulfite
J) carbonite
K) sulfite
L) hydrogen sulfate
M) phosphate.

Question 18

How many valence electrons are in the electron-dot structure of CCl4?

Accepted Answer

A)  0 
B)  82 
C)  6 
D)  8 
E)  32 
A)  0 
B)  82 
C)  6 
D)  8 
E)  32

Question 19

Identify each of the following compounds as covalent or ionic.
-nitrogen trichloride

Accepted Answer

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

Question 20

An anion always

Accepted Answer

A)  has a positive charge. 
B)  contains a group of two or more atoms with a positive charge. 
C)  contains a metal and a nonmetal. 
D)  forms covalent bonds. 
E)  has a negative charge. 
A)  has a positive charge. 
B)  contains a group of two or more atoms with a positive charge. 
C)  contains a metal and a nonmetal. 
D)  forms covalent bonds. 
E)  has a negative charge.

Exam 5: Compounds and Their Bonds

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

The shape of the carbon dioxide (CO₂) is

What is the formula of carbon tetraiodide?

Match the correct name of the polyatomic ions with the formulas given. -O

The shape of the water molecule (H₂O) is

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

The number of electrons in the highest energy level of carbon is

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

The strongest interactions between molecules of hydrogen chloride are

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

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

Valence electrons are electrons located

In ionic compounds, __________ lose their valence electrons to form positively charged __________.

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

The number of electrons in the highest energy level of nitrogen is

The carbon tetrachloride molecule, CCl4, is

Match the correct name of the polyatomic ions with the formulas given. -SO₄2-

How many valence electrons are in the electron-dot structure of CCl4?

Identify each of the following compounds as covalent or ionic. -nitrogen trichloride

An anion always

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Chemical Reactions and Quantities

Gases

Solutions

Reaction Rates and Chemical Equilibrium

Acids and Bases

Introduction to Organic Chemistry: Alkanes

Alkenes, Alkynes, and Aromatic Compounds

Alcohols, Phenols, Thiols, and Ethers

Aldehydes, Ketones, and Chiral Molecules

Carbohydrates

Carboxylic Acids and Esters

Lipids

Amines and Amides

Amino Acids and Proteins

Enzymes and Vitamins

Nucleic Acids and Protein Synthesis

Metabolic Pathways for Carbohydrates

Metabolism and Energy Production

Metabolic Pathways for Lipids and Amino Acids

Filters

In ionic compounds, lose their valence electrons to form positively charged .

The carbon tetrachloride molecule, CCl₄, is

Match the correct name of the polyatomic ions with the formulas given. -SO₄^2-

How many valence electrons are in the electron-dot structure of CCl₄?