Question 1

Which one of the following is sodium thiosulfate?

Accepted Answer

A) Na2SO4 
B) Na2SO3 
C) Na2S2O3 
D) Na2S4O6 
E) Na2S 
A) Na2SO4 
B) Na2SO3 
C) Na2S2O3 
D) Na2S4O6 
E) Na2S

Question 2

Pyrex® glass is formed by adding an oxide of __________ to soda-lime glass.

Accepted Answer

A) lead 
B) cobalt 
C) boron 
D) silver 
E) phosphorous 
A) lead 
B) cobalt 
C) boron 
D) silver 
E) phosphorous

Question 3

Which elemental halogen(s)can be used to prepare I2 from NaI?

Accepted Answer

A) F2only 
B) Cl2 only 
C) Br2 only 
D) both Cl2 and Br2, but not F2 
E) F2, Cl2, and Br2 
A) F2only 
B) Cl2 only 
C) Br2 only 
D) both Cl2 and Br2, but not F2 
E) F2, Cl2, and Br2

Question 4

What are the principal components used in making soda-lime glass?

Accepted Answer

calcium ox

Question 5

The oxidation numbers of nitrogen in the nitride ion, hydrazine, ammonium cation, and nitrate ion are __________, __________, __________, and __________, respectively.

Accepted Answer

A) -3, -2, -3, +5 
B) +3, -2, -3, +5 
C) +3, -2, +1, +3 
D) -3, +2, +1, +5 
E) -3, +2, -3, +3 
A) -3, -2, -3, +5 
B) +3, -2, -3, +5 
C) +3, -2, +1, +3 
D) -3, +2, +1, +5 
E) -3, +2, -3, +3

Question 6

The oxidation number of As in H2AsO3- is __________.

Accepted Answer

A) +1 
B) +2 
C) +3 
D) +4 
E) +5 
A) +1 
B) +2 
C) +3 
D) +4 
E) +5

Question 7

What halogen, other than astatine, is not usually found in seawater?

Accepted Answer

The answer of What halogen, other than astatine, is not...

Question 8

The prefix thio- denotes

Accepted Answer

A) replacement of an oxygen atom by a sulfur atom. 
B) a sulfur-sulfur double bond. 
C) sulfur in a negative oxidation state. 
D) a sulfur-oxygen double bond. 
E) an allotropic form of sulfur. 
A) replacement of an oxygen atom by a sulfur atom. 
B) a sulfur-sulfur double bond. 
C) sulfur in a negative oxidation state. 
D) a sulfur-oxygen double bond. 
E) an allotropic form of sulfur.

Question 9

What is the F-Xe-F bond angle in XeF2?

Accepted Answer

A) 90° 
B) 109° 
C) 180° 
D) 120° 
E) 60° 
A) 90° 
B) 109° 
C) 180° 
D) 120° 
E) 60°

Question 10

What is the coefficient of NO2 when the following disproportionation reaction is balanced? NO2 (g)+ H2O (l)→ H+ (aq)+ NO3- (aq)+ NO (g)

Accepted Answer

A) 1 
B) 2 
C) 3 
D) 5 
E) 4 
A) 1 
B) 2 
C) 3 
D) 5 
E) 4

Question 11

Why does calcium carbonate dissolve in water containing carbon dioxide?

Accepted Answer

because the dissolve

Question 12

The molecular shape of the SF6 molecule is __________.

Accepted Answer

A) tetrahedral 
B) trigonal bipyramidal 
C) octahedral 
D) trigonal pyramidal 
E) T-shaped 
A) tetrahedral 
B) trigonal bipyramidal 
C) octahedral 
D) trigonal pyramidal 
E) T-shaped

Question 13

The compound whose formula is CaC2 is __________.

Accepted Answer

A) calcium carbide 
B) carborundum 
C) carbon calcide 
D) calcium dicarbon 
E) limestone 
A) calcium carbide 
B) carborundum 
C) carbon calcide 
D) calcium dicarbon 
E) limestone

Question 14

Which one of the following compounds is peroxide?

Accepted Answer

A) Li2O 
B) H2O 
C) Na2O2 
D) CsO2 
E) both Na2O2 and CsO2 
A) Li2O 
B) H2O 
C) Na2O2 
D) CsO2 
E) both Na2O2 and CsO2

Question 15

What is an acetylide?

Accepted Answer

a carbide

Question 16

Which of the following would produce an acidic solution?

Accepted Answer

A) Na2O and MgO 
B) Na2O, MgO, and BeH2 
C) CO2 only 
D) BeH2 only 
E) CO, CO2, and BeH2 
A) Na2O and MgO 
B) Na2O, MgO, and BeH2 
C) CO2 only 
D) BeH2 only 
E) CO, CO2, and BeH2

Question 17

SiO24- is the __________ ion.

Accepted Answer

A) orthosilicate ion 
B) silicate ion 
C) thiosilicate ion 
D) silicon tetroxide ion 
E) siliconate ion 
A) orthosilicate ion 
B) silicate ion 
C) thiosilicate ion 
D) silicon tetroxide ion 
E) siliconate ion

Question 18

In metallic hydrides, the oxidation number of hydrogen is considered to be __________.

Accepted Answer

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

Question 19

How are the oxygen-containing compounds of xenon made?

Accepted Answer

A) by direct combination of the elements 
B) by reaction of xenon with peroxide 
C) by thermal decomposition of the xenon hydroxide 
D) by reaction of the corresponding xenon fluoride with water 
E) Xenon is inert and does not form compounds with oxygen. 
A) by direct combination of the elements 
B) by reaction of xenon with peroxide 
C) by thermal decomposition of the xenon hydroxide 
D) by reaction of the corresponding xenon fluoride with water 
E) Xenon is inert and does not form compounds with oxygen.

Question 20

What is meant by the term "composite"?

Accepted Answer

a combinat

Exam 22: Chemistry of the Nonmetals

Which one of the following is sodium thiosulfate?

Pyrex® glass is formed by adding an oxide of __________ to soda-lime glass.

Which elemental halogen(s)can be used to prepare I2 from NaI?

What are the principal components used in making soda-lime glass?

The oxidation numbers of nitrogen in the nitride ion, hydrazine, ammonium cation, and nitrate ion are __________, __________, __________, and __________, respectively.

The oxidation number of As in H2AsO3- is __________.

What halogen, other than astatine, is not usually found in seawater?

The prefix thio- denotes

What is the F-Xe-F bond angle in XeF2?

What is the coefficient of NO2 when the following disproportionation reaction is balanced? NO2 (g)+ H2O (l)→ H+ (aq)+ NO3- (aq)+ NO (g)

Why does calcium carbonate dissolve in water containing carbon dioxide?

The molecular shape of the SF6 molecule is __________.

The compound whose formula is CaC2 is __________.

Which one of the following compounds is peroxide?

What is an acetylide?

Which of the following would produce an acidic solution?

SiO24- is the __________ ion.

In metallic hydrides, the oxidation number of hydrogen is considered to be __________.

How are the oxygen-containing compounds of xenon made?

What is meant by the term "composite"?

Introduction: Matter and Measurement

Atoms, Molecules, and Ions

Stoichiometry: Calculations With Chemical Formulas and Equations

Aqueous Reactions and Solution Stoichiometry

Thermochemistry

Electronic Structure of Atoms

Periodic Properties of the Elements

Basic Concepts of Chemical Bonding

Molecular Geometry and Bonding Theories

Gases

Liquids and Intermolecular Forces

Solids and Modern Materials

Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acid-Base Equilibria

Additional Aspects of Aqueous Equilibria

Chemistry of the Environment

Chemical Thermodynamics

Electrochemistry

Nuclear Chemistry

Transition Metals and Coordination Chemistry

The Chemistry of Life: Organic and Biological Chemistry

Filters

Which elemental halogen(s)can be used to prepare I₂ from NaI?

The oxidation numbers of nitrogen in the nitride ion, hydrazine, ammonium cation, and nitrate ion are , , , and , respectively.

The oxidation number of As in H₂AsO₃^- is __________.

What is the F-Xe-F bond angle in XeF₂?

What is the coefficient of NO₂ when the following disproportionation reaction is balanced? NO₂ (g)+ H₂O (l)→ H⁺ (aq)+ NO₃^- (aq)+ NO (g)

The molecular shape of the SF₆ molecule is __________.

The compound whose formula is CaC₂ is __________.

SiO₂^4- is the __________ ion.