Question 1

Cyclopropane has four carbon atoms in its structure.

Accepted Answer

A) True 
 B)False  False

Question 2

Which of the following compounds has only covalent bonding?

Accepted Answer

A)  H2O 
B)  NaOH 
C)  NaCl 
D)  Al2(SO3)3 
E)  Fe2O3 
A)  H2O 
B)  NaOH 
C)  NaCl 
D)  Al2(SO3)3 
E)  Fe2O3 A

Question 3

A mixture of 77% isooctane and 23% n-heptane has an octane rating of _____.

Accepted Answer

77

Question 4

Which of the following is an elemental-polyatomic molecule?

Accepted Answer

A)  Carbon tetrachloride 
B)  Nitrogen 
C)  Phosphorous 
D)  Sodium chloride 
E)  Chlorine 
A)  Carbon tetrachloride 
B)  Nitrogen 
C)  Phosphorous 
D)  Sodium chloride 
E)  Chlorine

Question 5

Which of the following is the compound formed from the ions NH4+ and NO3-?

Accepted Answer

A)  N2O2H2 
B)  HNO3 
C)  NO4NH3 
D)  NH3NO4 
E)  NH4NO3 
A)  N2O2H2 
B)  HNO3 
C)  NO4NH3 
D)  NH3NO4 
E)  NH4NO3

Question 6

The molecular formula of ethanol is _____.

Accepted Answer

The answer of The molecular formula of ethanol is _____....

Question 7

The systematic name of Mg(HCO3)2 is _____.

Accepted Answer

A)  magnesium carbonate 
B)  magnesium bicarbonate 
C)  magnesium formate 
D)  magnesium acetate 
E)  manganese (II) bicarbonate 
A)  magnesium carbonate 
B)  magnesium bicarbonate 
C)  magnesium formate 
D)  magnesium acetate 
E)  manganese (II) bicarbonate

Question 8

_____ are the simplest class of organic compounds, consisting entirely of carbon and hydrogen.

Accepted Answer

The answer of _____ are the simplest class of organic...

Question 9

Sulfuric acid is an example of an oxoacid.

Accepted Answer

A) True 
 B)False

Question 10

There is a triple bond between the two oxygen atoms in a molecule of O2.

Accepted Answer

A) True 
 B)False

Question 11

The common name for the compound Fe2(SO4)3 is _____.

Accepted Answer

A)  iron sulfate 
B)  ferric sulfate 
C)  iron-two sulfate 
D)  ferrous sulfate 
E)  iron-three sulfate 
A)  iron sulfate 
B)  ferric sulfate 
C)  iron-two sulfate 
D)  ferrous sulfate 
E)  iron-three sulfate

Question 12

When a proton is added to the sulfite ion (SO32−) _____ acid is formed.

Accepted Answer

Question 13

What is the systematic name for FeS?

Accepted Answer

A)  Ferric sulfide 
B)  Iron(I) sulfide 
C)  Iron (II) sulfide 
D)  Ferrous sulfide 
E)  Iron (III) sulfide 
A)  Ferric sulfide 
B)  Iron(I) sulfide 
C)  Iron (II) sulfide 
D)  Ferrous sulfide 
E)  Iron (III) sulfide

Question 14

Explain the naming of acids in which the proton is attached to an element other than oxygen. Give examples of such acids.

Accepted Answer

In acids where the H⁺ ion is attached to

Question 15

_____ are compounds that contain specific ratios of loosely bound water molecules.

Accepted Answer

The answer of _____ are compounds that contain specific ratios...

Question 16

What is the name of Tl2Se?

Accepted Answer

A)  Titanium (II) sulfate 
B)  Titanium (I) sulfite 
C)  Terillium (II) selenide 
D)  Thallium (I) selenide 
E)  Tungsten (II) sulfide 
A)  Titanium (II) sulfate 
B)  Titanium (I) sulfite 
C)  Terillium (II) selenide 
D)  Thallium (I) selenide 
E)  Tungsten (II) sulfide

Question 17

Replacing a hydrogen atom of NH3 with an alkyl group results in a(n) _____.

Accepted Answer

Question 18

The empirical formula for the compound formed from an aluminum ion and a sulfate ion is _____.

Accepted Answer

A)  AlSO4 
B)  Al(SO4)2 
C)  Al2SO4 
D)  (AlSO4)2 
E)  Al2(SO4)3 
A)  AlSO4 
B)  Al(SO4)2 
C)  Al2SO4 
D)  (AlSO4)2 
E)  Al2(SO4)3

Question 19

The thiocyanate ion (SCN-) is an example of a polyatomic anion.

Accepted Answer

A) True 
 B)False

Question 20

How many electrons are shared between two atoms joined by a double bond?

Accepted Answer

A)  One 
B)  Two 
C)  Four 
D)  Six 
E)  Eight 
A)  One 
B)  Two 
C)  Four 
D)  Six 
E)  Eight

Exam 2: Molecules, Ions, and Chemical Formulas

Cyclopropane has four carbon atoms in its structure.

Which of the following compounds has only covalent bonding?

A mixture of 77% isooctane and 23% n-heptane has an octane rating of _____.

Which of the following is an elemental-polyatomic molecule?

Which of the following is the compound formed from the ions NH4+ and NO3-?

The molecular formula of ethanol is _____.

The systematic name of Mg(HCO3)2 is _____.

_____ are the simplest class of organic compounds, consisting entirely of carbon and hydrogen.

Sulfuric acid is an example of an oxoacid.

There is a triple bond between the two oxygen atoms in a molecule of O2.

The common name for the compound Fe2(SO4)3 is _____.

When a proton is added to the sulfite ion (SO32−) _____ acid is formed.

What is the systematic name for FeS?

Explain the naming of acids in which the proton is attached to an element other than oxygen. Give examples of such acids.

_____ are compounds that contain specific ratios of loosely bound water molecules.

What is the name of Tl2Se?

Replacing a hydrogen atom of NH3 with an alkyl group results in a(n) _____.

The empirical formula for the compound formed from an aluminum ion and a sulfate ion is _____.

The thiocyanate ion (SCN-) is an example of a polyatomic anion.

How many electrons are shared between two atoms joined by a double bond?

Introduction to Chemistry

Chemical Reactions

Reactions in Aqueous Solution

Energy Changes in Chemical Reactions

The Structure of Atoms

The Periodic Table and Periodic Trends

Ionic Versus Covalent Bonding

Molecular Geometry and Covalent Bonding Models

Gases

Liquids

Solids

Solutions

Chemical Kinetics

Chemical Equilibrium

Aqueous Acidbase Equilibriums

Solubility and Complexation Equilibriums

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Periodic Trends and the S-Block Elements

The P-Block Elements

The D-Block Elements

Organic Compounds

Filters

Which of the following is the compound formed from the ions NH₄⁺ and NO₃^-?

The systematic name of Mg(HCO₃)₂ is _____.

There is a triple bond between the two oxygen atoms in a molecule of O₂.

The common name for the compound Fe₂(SO₄)₃ is _____.

When a proton is added to the sulfite ion (SO₃²⁻) _____ acid is formed.

What is the name of Tl₂Se?

Replacing a hydrogen atom of NH₃ with an alkyl group results in a(n) _____.

The thiocyanate ion (SCN^-) is an example of a polyatomic anion.