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

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

Accepted Answer

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

Question 3

An ionic compound

Accepted Answer

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

Question 4

What is the correct formula for the iron (II) ion?

Accepted Answer

A)  Fe+ 
B)  Fe2+ 
C)  Fe3+ 
D)  Fe2- 
E)  Fe3- 
A)  Fe+ 
B)  Fe2+ 
C)  Fe3+ 
D)  Fe2- 
E)  Fe3-

Question 5

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

Accepted Answer

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

Question 6

What is the formula of a compound that contains Na+ and PO₄3- ions?

Accepted Answer

A)  Na3PO₄ 
B)  NaPO₄ 
C)  Na2PO₃ 
D)  Na3PO₃ 
E)  Na3P 
A)  Na3PO₄ 
B)  NaPO₄ 
C)  Na2PO₃ 
D)  Na3PO₃ 
E)  Na3P

Question 7

Match the chemical name with the correct formula.
-magnesium hydrogen 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 8

How many valence electrons are in the electron-dot structure of H₂O?

Accepted Answer

A)  2 
B)  4 
C)  6 
D)  8 
E)  10 
A)  2 
B)  4 
C)  6 
D)  8 
E)  10

Question 9

The correct name of the compound NCl3 is

Accepted Answer

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

Question 10

Indicate the type of bonding you would expect between the following elements.
-He 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 11

Which of the following elements has the lowest electronegativity?

Accepted Answer

A)  Li 
B)  C 
C)  N 
D)  O 
E)  F 
A)  Li 
B)  C 
C)  N 
D)  O 
E)  F

Question 12

Which of the following elements does NOT exist as a diatomic molecule?

Accepted Answer

A)  hydrogen 
B)  nitrogen 
C)  chlorine 
D)  oxygen 
E)  carbon 
A)  hydrogen 
B)  nitrogen 
C)  chlorine 
D)  oxygen 
E)  carbon

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

Fe2(SO₄)3 is called

Accepted Answer

A)  iron sulfate. 
B)  iron (II) sulfate. 
C)  iron (III) sulfate. 
D)  diiron trisulfate. 
E)  iron trisulfate. 
A)  iron sulfate. 
B)  iron (II) sulfate. 
C)  iron (III) sulfate. 
D)  diiron trisulfate. 
E)  iron trisulfate.

Question 15

What is the ionic charge of an ion with 13 protons and 10 electrons?

Accepted Answer

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

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

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

An ionic compound

What is the correct formula for the iron (II) ion?

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

What is the formula of a compound that contains Na+ and PO₄^3-ions?

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

How many valence electrons are in the electron-dot structure of H₂O?

The correct name of the compound NCl₃ is

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

Which of the following elements has the lowest electronegativity?

Which of the following elements does NOT exist as a diatomic molecule?

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

Fe₂(SO₄)₃ is called

What is the ionic charge of an ion with 13 protons and 10 electrons?

Chemistry and Measurements

Energy and Matter

Atoms and Elements

Nuclear Chemistry

Chemical Reactions and Quantities

Gases

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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

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Exam 5: Compounds and Their Bonds

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

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

An ionic compound

What is the correct formula for the iron (II) ion?

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

What is the formula of a compound that contains Na+ and PO₄3- ions?

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

How many valence electrons are in the electron-dot structure of H₂O?

The correct name of the compound NCl3 is

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

Which of the following elements has the lowest electronegativity?

Which of the following elements does NOT exist as a diatomic molecule?

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

Fe2(SO₄)3 is called

What is the ionic charge of an ion with 13 protons and 10 electrons?

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

What is the formula of a compound that contains Na+ and PO₄^3-ions?

The correct name of the compound NCl₃ is

Fe₂(SO₄)₃ is called