Question 1

Carbon monoxide's toxicity is related to its ability to bond to iron in hemoglobin.

Accepted Answer

A) True 
 B)False  True

Question 2

What is the stable form of the element sulfur, at room temperature?

Accepted Answer

A)  atomic sulfur 
B)  S2 
C)  S4 
D)  S6 
E)  S8 
A)  atomic sulfur 
B)  S2 
C)  S4 
D)  S6 
E)  S8 E

Question 3

Which of the following oxides is most basic?

Accepted Answer

A)  As2O3 
B)  P4O10 
C)  Sb2O3 
D)  Sb2O5 
E)  NO2 
A)  As2O3 
B)  P4O10 
C)  Sb2O3 
D)  Sb2O5 
E)  NO2 C

Question 4

Ozone is both a pollutant and a natural component of the atmosphere.

Accepted Answer

A) True 
 B)False

Question 5

Certain Period 2 elements exhibit behaviors similar to Period 3 elements immediately below and to the right. One of the interesting diagonal relationships occurs between boron and silicon. Which of the following is one of their similarities?

Accepted Answer

A)  Both exhibit electrical properties of a conductor. 
B)  The oxoanions of both elements occur in extended ionic networks. 
C)  Both elements form compounds (boranes and silanes) that are good oxidizing agents. 
D)  Boric acid and silicic acid occur in layers with widespread hydrogen bonding. 
E)  Both elements are unusually soft solids. 
A)  Both exhibit electrical properties of a conductor. 
B)  The oxoanions of both elements occur in extended ionic networks. 
C)  Both elements form compounds (boranes and silanes) that are good oxidizing agents. 
D)  Boric acid and silicic acid occur in layers with widespread hydrogen bonding. 
E)  Both elements are unusually soft solids.

Question 6

The largest electronegativities are found in the _____________ ____________ region of the periodic table.

Accepted Answer

A)  upper left 
B)  upper right 
C)  lower left 
D)  lower right 
E)  transition element (d-block) 
A)  upper left 
B)  upper right 
C)  lower left 
D)  lower right 
E)  transition element (d-block)

Question 7

Hydrogen forms metallic (interstitial) hydrides with the d and f transition elements. Which of the following statements is correct?

Accepted Answer

A)  These substances have distinct stoichiometric formulas like ionic hydrides. 
B)  Hydrogen forms bonds with the metals by donating its electron to the valence band of the metal. 
C)  Hydrogen molecules and atoms occupy holes within the crystal structure of the metal. 
D)  These substances are useful catalysts. 
E)  These hydrides are stabilized by hydrogen bonding forces. 
A)  These substances have distinct stoichiometric formulas like ionic hydrides. 
B)  Hydrogen forms bonds with the metals by donating its electron to the valence band of the metal. 
C)  Hydrogen molecules and atoms occupy holes within the crystal structure of the metal. 
D)  These substances are useful catalysts. 
E)  These hydrides are stabilized by hydrogen bonding forces.

Question 8

Predict the molecular shape of XeF3-.

Accepted Answer

A)  linear 
B)  trigonal planar 
C)  trigonal pyramid 
D)  T-shaped 
E)  square 
A)  linear 
B)  trigonal planar 
C)  trigonal pyramid 
D)  T-shaped 
E)  square

Question 9

Which of the following pairs of elements exhibit similar physical and chemical behaviors ("diagonal relationships")?

Accepted Answer

A)  H and Be 
B)  Na and Be 
C)  Be and Al 
D)  B and Mg 
E)  Li and Al 
A)  H and Be 
B)  Na and Be 
C)  Be and Al 
D)  B and Mg 
E)  Li and Al

Question 10

Nitric acid, HNO3

Accepted Answer

A)  is a strong reducing agent. 
B)  is a weak oxidizing agent. 
C)  does not react with copper metal. 
D)  may react with copper metal to produce NO gas. 
E)  reacts with metal hydroxides to produce nitrite salts. 
A)  is a strong reducing agent. 
B)  is a weak oxidizing agent. 
C)  does not react with copper metal. 
D)  may react with copper metal to produce NO gas. 
E)  reacts with metal hydroxides to produce nitrite salts.

Question 11

Predict the products for the following set of reactants. PCl3(l) + H2O(l) F1F1F1S1F1F1F10

Accepted Answer

A)  H3PO3(aq) + HCl(aq) 
B)  H3PO4(aq) + Cl2(g) 
C)  PH3(g) + HCl(aq) + O2(g) 
D)  P2O5(s) + HCl(aq) 
E)  PCl5(l) + PH3(g) + O2(g) 
A)  H3PO3(aq) + HCl(aq) 
B)  H3PO4(aq) + Cl2(g) 
C)  PH3(g) + HCl(aq) + O2(g) 
D)  P2O5(s) + HCl(aq) 
E)  PCl5(l) + PH3(g) + O2(g)

Question 12

Predict the products formed from the following set of reactants. FeSe(s) + HCl(aq) F1F1F1S1F1F1F10

Accepted Answer

A)  Se(s) + FeCl2(aq) 
B)  SeCl2(s) + Fe(s) + H2(g) 
C)  FeH2(s) + SeCl2(l) 
D)  H2Se(g) + Fe(s) + Cl2(g) 
E)  H2Se(g) + FeCl2(aq) 
A)  Se(s) + FeCl2(aq) 
B)  SeCl2(s) + Fe(s) + H2(g) 
C)  FeH2(s) + SeCl2(l) 
D)  H2Se(g) + Fe(s) + Cl2(g) 
E)  H2Se(g) + FeCl2(aq)

Question 13

The basic character of the binary oxides XmOn

Accepted Answer

A)  is greatest when X has a low atomic number. 
B)  is greatest when X is a nonmetal. 
C)  increases as the oxidation number of X increases. 
D)  increases as the oxidation number of X decreases. 
E)  is unaffected by the oxidation number of X. 
A)  is greatest when X has a low atomic number. 
B)  is greatest when X is a nonmetal. 
C)  increases as the oxidation number of X increases. 
D)  increases as the oxidation number of X decreases. 
E)  is unaffected by the oxidation number of X.

Question 14

Dinitrogen monoxide, N2O, is

Accepted Answer

A)  a brown poisonous gas that is one of the chemicals involved in the production of photochemical smog. 
B)  a colorless gas used in the production of nitric acid. 
C)  a colorless gas used as a propellant in canned whipped cream. 
D)  a colorless gas that disproportionates into nitrogen and oxygen. 
E)  none of the above. 
A)  a brown poisonous gas that is one of the chemicals involved in the production of photochemical smog. 
B)  a colorless gas used in the production of nitric acid. 
C)  a colorless gas used as a propellant in canned whipped cream. 
D)  a colorless gas that disproportionates into nitrogen and oxygen. 
E)  none of the above.

Question 15

Which of the following formulas does not represent a stable compound?

Accepted Answer

A)  N2O 
B)  NO 
C)  NO2 
D)  NO3 
E)  N2O4 
A)  N2O 
B)  NO 
C)  NO2 
D)  NO3 
E)  N2O4

Question 16

Predict the product(s) for the reaction of the following set of reactants. Ca(s) + H2(g) F1F1F1S1F1F1F10

Accepted Answer

A)  CaH(s) 
B)  CaH2(s) 
C)  Ca2H3(s) 
D)  Ca3H2(s) 
E)  none of the above 
A)  CaH(s) 
B)  CaH2(s) 
C)  Ca2H3(s) 
D)  Ca3H2(s) 
E)  none of the above

Question 17

Which of the following oxides will give the most basic solution when dissolved in water?

Accepted Answer

A)  SO2 
B)  CO2 
C)  K2O 
D)  P4O10 
E)  SO3 
A)  SO2 
B)  CO2 
C)  K2O 
D)  P4O10 
E)  SO3

Question 18

Select the element with the highest first ionization energy.

Accepted Answer

A)  Mg 
B)  Ca 
C)  Ba 
D)  Ra 
E)  K 
A)  Mg 
B)  Ca 
C)  Ba 
D)  Ra 
E)  K

Question 19

Predict the products for the reaction of the following set of reactants. Sr(s) + H2O(l) F1F1F1S1F1F1F10

Accepted Answer

A)  SrO(s) + H2(g) 
B)  Sr2+(aq) + H2(g) + O2(g) 
C)  Sr2+(aq) + H3O+(aq) 
D)  Sr(OH)2(s) + H2(g) 
E)  SrH2(s) + O2(g) 
A)  SrO(s) + H2(g) 
B)  Sr2+(aq) + H2(g) + O2(g) 
C)  Sr2+(aq) + H3O+(aq) 
D)  Sr(OH)2(s) + H2(g) 
E)  SrH2(s) + O2(g)

Question 20

The acidity of oxides of main group elements increases across a period from left to right.

Accepted Answer

A) True 
 B)False

Exam 14: Periodic Patterns in the Main Group Elements: Bonding, Structure, and Reactivity

Carbon monoxide's toxicity is related to its ability to bond to iron in hemoglobin.

What is the stable form of the element sulfur, at room temperature?

Which of the following oxides is most basic?

Ozone is both a pollutant and a natural component of the atmosphere.

Certain Period 2 elements exhibit behaviors similar to Period 3 elements immediately below and to the right. One of the interesting diagonal relationships occurs between boron and silicon. Which of the following is one of their similarities?

The largest electronegativities are found in the _____________ ____________ region of the periodic table.

Hydrogen forms metallic (interstitial) hydrides with the d and f transition elements. Which of the following statements is correct?

Predict the molecular shape of XeF3-.

Which of the following pairs of elements exhibit similar physical and chemical behaviors ("diagonal relationships")?

Nitric acid, HNO3

Predict the products for the following set of reactants. PCl3(l) + H2O(l) 

Predict the products formed from the following set of reactants. FeSe(s) + HCl(aq) 

The basic character of the binary oxides XmOn

Dinitrogen monoxide, N2O, is

Which of the following formulas does not represent a stable compound?

Predict the product(s) for the reaction of the following set of reactants. Ca(s) + H2(g) 

Which of the following oxides will give the most basic solution when dissolved in water?

Select the element with the highest first ionization energy.

Predict the products for the reaction of the following set of reactants. Sr(s) + H2O(l) 

The acidity of oxides of main group elements increases across a period from left to right.

Keys to the Study of Chemistry

The Components of Matter

Stoichiometry of Formulas and Equations

The Major Classes of Chemical Reactions

Gases and the Kinetic-Molecular Theory

Thermochemistry: Energy Flow and Chemical Change

Quantum Theory and Atomic Structure

Electron Configuration and Chemical Periodicity

Models of Chemical Bonding

The Shapes of Molecules

Theories of Covalent Bonding

Intermolecular Forces: Liquids, Solids, and Phase Changes

The Properties of Mixtures: Solutions and Colloids

Organic Compounds and the Atomic Properties of Carbon

Kinetics: Rates and Mechanisms of Chemical Reactions

Equilibrium: the Extent of Chemical Reactions

Acid-Base Equilibria

Ionic Equilibria in Aqueous Systems

Thermodynamics: Entropy, Free Energy, and the Direction of Chemical Reactions

Electrochemistry: Chemical Change and Electrical Work

The Elements in Nature and Industry

The Transition Elements and Their Coordination Compounds

Nuclear Reactions and Their Applications

Filters

The largest electronegativities are found in the _ region of the periodic table.

Predict the molecular shape of XeF₃^-.

Nitric acid, HNO₃

Predict the products for the following set of reactants. PCl₃(l) + H₂O(l) 

The basic character of the binary oxides X_mO_n

Dinitrogen monoxide, N₂O, is

Predict the product(s) for the reaction of the following set of reactants. Ca(s) + H₂(g) 

Predict the products for the reaction of the following set of reactants. Sr(s) + H₂O(l) 