Question 1

Ne, Ar, and Xe are what type of elements?

Accepted Answer

A) Main group non-metals 
B) Noble gases 
C) Main group metalloids 
D) Noble metals 
A) Main group non-metals 
B) Noble gases 
C) Main group metalloids 
D) Noble metals

Question 2

How does the formation of a covalent bond occur?

Accepted Answer

A) By the overlap of two atoms electron orbitals 
B) By the loss and gain of at least one electron from two atoms 
C) By the loss and gain of no more than one electron from each of two atoms 
D) By the creation of a new atomic orbital between two atoms 
A) By the overlap of two atoms electron orbitals 
B) By the loss and gain of at least one electron from two atoms 
C) By the loss and gain of no more than one electron from each of two atoms 
D) By the creation of a new atomic orbital between two atoms

Question 3

What is the balanced form of this equation: Na + Cl2 → NaCl?

Accepted Answer

Question 4

What type of reaction is 2 Li + Cl2 → 2 LiCl?

Accepted Answer

An oxidati

Question 5

How does the equation Fe + O2 → Fe2O3 appear when properly balanced?

Accepted Answer

A) 4 Fe + 6 O → Fe4O6 
B) Fe + O2 → Fe2O3 
C) 4 Fe + 3 O2 → 2 Fe2O3 
D) 2 Fe + 3 O2 → 2 Fe2O3 
A) 4 Fe + 6 O → Fe4O6 
B) Fe + O2 → Fe2O3 
C) 4 Fe + 3 O2 → 2 Fe2O3 
D) 2 Fe + 3 O2 → 2 Fe2O3

Question 6

KBr(aq) + AgNO3(aq) → AgBr(s) + KNO3(aq) is what kind of reaction?

Accepted Answer

A) Neutralization 
B) Oxidation-reduction reaction 
C) Addition reaction 
D) Precipitation reaction 
A) Neutralization 
B) Oxidation-reduction reaction 
C) Addition reaction 
D) Precipitation reaction

Question 7

If 4.0 g of hydrogen and 10.0 g of oxygen are mixed according to the equation 2 H2 + O2 → 2 H2O, which is the limiting reagent?

Accepted Answer

A) Oxygen 
B) Hydrogen 
C) Water 
D) None; they are evenly mixed. 
A) Oxygen 
B) Hydrogen 
C) Water 
D) None; they are evenly mixed.

Question 8

Where do the shared electrons in a covalent bond tend to be found?

Accepted Answer

A) Closer to the less electronegative element 
B) Closer to the more electronegative element 
C) Equally spaced between both elements in the bond 
D) At the more electronegative element in the bond 
A) Closer to the less electronegative element 
B) Closer to the more electronegative element 
C) Equally spaced between both elements in the bond 
D) At the more electronegative element in the bond

Question 9

How does the following appear when properly balanced: CH4+ O2 → CO2 + H2O?

Accepted Answer

A) 2 CH4 + O2 → 2 CO2 + H2O 
B) CH4 + 2 O2 → CO2 + H2O 
C) CH4 + 2 O2 → CO2 + 2 H2O 
D) CH4 + O2 → CO2 + 2 H2O 
A) 2 CH4 + O2 → 2 CO2 + H2O 
B) CH4 + 2 O2 → CO2 + H2O 
C) CH4 + 2 O2 → CO2 + 2 H2O 
D) CH4 + O2 → CO2 + 2 H2O

Question 10

How many grams of O2 are needed to react completely with 28.0 g of Li in the following, 2 Li + O2 → Li2O?

Accepted Answer

A) 64.0 g 
B) 32.0 g 
C) 7.0 g 
D) 256.0 g 
A) 64.0 g 
B) 32.0 g 
C) 7.0 g 
D) 256.0 g

Question 11

How much LiI is produced when 350.0 g of HI reacts completely with LiOH, according to the equation HI + LiOH → H2O + LiI?

Accepted Answer

Question 12

Why was the forensic evidence in the George Trepal trial questioned?

Accepted Answer

The chemist failed to do some

Question 13

In the equation Ag + HCl → AgCl + H2, when 55.0 g silver is mixed with 45.0 g HCl, which is the limiting reactant?

Accepted Answer

A) Hydrogen 
B) Silver chloride 
C) Hydrochloric acid 
D) Silver 
A) Hydrogen 
B) Silver chloride 
C) Hydrochloric acid 
D) Silver

Question 14

When the reactants and products of a chemical equation are known, how is it then balanced?

Accepted Answer

A) By adjusting and changing the coefficients of the equation 
B) By adjusting and changing the subscripts of the equation 
C) By doubling either the reactants or the products 
D) By adjusting or changing both the coefficients and he subscripts of the equation 
A) By adjusting and changing the coefficients of the equation 
B) By adjusting and changing the subscripts of the equation 
C) By doubling either the reactants or the products 
D) By adjusting or changing both the coefficients and he subscripts of the equation

Question 15

What ionic compound was found in George Trepal's garage?

Accepted Answer

A) Thallium(I) triflate 
B) Thorium(I) nitrate 
C) Thallium(I) nitrate 
D) Thallium(I) sulfate 
A) Thallium(I) triflate 
B) Thorium(I) nitrate 
C) Thallium(I) nitrate 
D) Thallium(I) sulfate

Question 16

What is the name of N2O4?

Accepted Answer

Dinitrogen

Question 17

Dihydrogen monoxide is the best systematic name for what common substance?

Accepted Answer

A) Water 
B) Ammonia 
C) Salt 
D) Alcohol 
A) Water 
B) Ammonia 
C) Salt 
D) Alcohol

Question 18

An ionic compound made from calcium and oxygen has what formula?

Accepted Answer

A) Ca2O 
B) CaO2 
C) Oca 
D) CaO 
A) Ca2O 
B) CaO2 
C) Oca 
D) CaO

Question 19

When a candle is burned in a closed jar, the candle eventually goes out, even though there is some candle remaining. In this system, what is the limiting reactant?

Accepted Answer

A) The length of the wick 
B) Wax on the candle 
C) Combustible oxygen in the jar 
D) Air in the system 
A) The length of the wick 
B) Wax on the candle 
C) Combustible oxygen in the jar 
D) Air in the system

Question 20

What is the name of the ion, CN-?

Accepted Answer

A) The cyanide ion 
B) The cyanate ion 
C) The sulfate ion 
D) The sulfite ion 
A) The cyanide ion 
B) The cyanate ion 
C) The sulfate ion 
D) The sulfite ion

Ne, Ar, and Xe are what type of elements?

How does the formation of a covalent bond occur?

What is the balanced form of this equation: Na + Cl₂ → NaCl?

What type of reaction is 2 Li + Cl₂ → 2 LiCl?

How does the equation Fe + O₂ → Fe₂O₃ appear when properly balanced?

KBr_(aq) + AgNO_3(aq) → AgBr_(s) + KNO_3(aq) is what kind of reaction?

If 4.0 g of hydrogen and 10.0 g of oxygen are mixed according to the equation 2 H₂ + O₂ → 2 H₂O, which is the limiting reagent?

Where do the shared electrons in a covalent bond tend to be found?

How does the following appear when properly balanced: CH₄+ O₂ → CO₂ + H₂O?

How many grams of O₂ are needed to react completely with 28.0 g of Li in the following, 2 Li + O₂ → Li₂O?

How much LiI is produced when 350.0 g of HI reacts completely with LiOH, according to the equation HI + LiOH → H₂O + LiI?

Why was the forensic evidence in the George Trepal trial questioned?

In the equation Ag + HCl → AgCl + H₂, when 55.0 g silver is mixed with 45.0 g HCl, which is the limiting reactant?

When the reactants and products of a chemical equation are known, how is it then balanced?

What ionic compound was found in George Trepal's garage?

What is the name of N₂O₄?

Dihydrogen monoxide is the best systematic name for what common substance?

An ionic compound made from calcium and oxygen has what formula?

When a candle is burned in a closed jar, the candle eventually goes out, even though there is some candle remaining. In this system, what is the limiting reactant?

What is the name of the ion, CN^-?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

Exam 4: Bonding and Reactions

Ne, Ar, and Xe are what type of elements?

How does the formation of a covalent bond occur?

What is the balanced form of this equation: Na + Cl2 → NaCl?

What type of reaction is 2 Li + Cl2 → 2 LiCl?

How does the equation Fe + O2 → Fe2O3 appear when properly balanced?

KBr(aq) + AgNO3(aq) → AgBr(s) + KNO3(aq) is what kind of reaction?

If 4.0 g of hydrogen and 10.0 g of oxygen are mixed according to the equation 2 H2 + O2 → 2 H2O, which is the limiting reagent?

Where do the shared electrons in a covalent bond tend to be found?

How does the following appear when properly balanced: CH4+ O2 → CO2 + H2O?

How many grams of O2 are needed to react completely with 28.0 g of Li in the following, 2 Li + O2 → Li2O?

How much LiI is produced when 350.0 g of HI reacts completely with LiOH, according to the equation HI + LiOH → H2O + LiI?

Why was the forensic evidence in the George Trepal trial questioned?

In the equation Ag + HCl → AgCl + H2, when 55.0 g silver is mixed with 45.0 g HCl, which is the limiting reactant?

When the reactants and products of a chemical equation are known, how is it then balanced?

What ionic compound was found in George Trepal's garage?

What is the name of N2O4?

Dihydrogen monoxide is the best systematic name for what common substance?

An ionic compound made from calcium and oxygen has what formula?

When a candle is burned in a closed jar, the candle eventually goes out, even though there is some candle remaining. In this system, what is the limiting reactant?

What is the name of the ion, CN-?

Understanding Our World With Chemistry

Matter: Properties, Changes and Measurements

Understanding Atoms

Chemistry of Bonding: Structure and Function of Drug Molecules

Aqueous Solutions: Part I

Aqueous Solutions: Part II

Organic Chemistry and Polymers

Chemistry of Fire and Heat

Chemistry of Explosions

Applications of Chemical Kinetics

Nuclear Chemistry: Energy, Medicine, Weapons, and Terrorism

Chemical Equilibrium

Introduction to Biochemistry

Filters

What is the balanced form of this equation: Na + Cl₂ → NaCl?

What type of reaction is 2 Li + Cl₂ → 2 LiCl?

How does the equation Fe + O₂ → Fe₂O₃ appear when properly balanced?

KBr_(aq) + AgNO_3(aq) → AgBr_(s) + KNO_3(aq) is what kind of reaction?

If 4.0 g of hydrogen and 10.0 g of oxygen are mixed according to the equation 2 H₂ + O₂ → 2 H₂O, which is the limiting reagent?

How does the following appear when properly balanced: CH₄+ O₂ → CO₂ + H₂O?

How many grams of O₂ are needed to react completely with 28.0 g of Li in the following, 2 Li + O₂ → Li₂O?

How much LiI is produced when 350.0 g of HI reacts completely with LiOH, according to the equation HI + LiOH → H₂O + LiI?

In the equation Ag + HCl → AgCl + H₂, when 55.0 g silver is mixed with 45.0 g HCl, which is the limiting reactant?

What is the name of N₂O₄?

What is the name of the ion, CN^-?