Question 1

The active ingredient in many liquid bleaches is ________.

Accepted Answer

A) NaCl 
B) NaClO 
C) NaClO2 
D) NaClO3 
E) NaClO4 
A) NaCl 
B) NaClO 
C) NaClO2 
D) NaClO3 
E) NaClO4

Question 2

Explain why silicon does not form any allotropes with structures analogous to that of graphite or buckminsterfullerenes, even though it is in the same group as carbon.

Accepted Answer

Silicon is large enough to pre

Question 3

What is the oxidation state of carbon in the carbonate ion?

Accepted Answer

A) +4 
B) +2 
C) 0 
D) -2 
E) -4 
A) +4 
B) +2 
C) 0 
D) -2 
E) -4

Question 4

What sulfur compound is used to sterilize wine?

Accepted Answer

A) H2SO4 
B) H2S 
C) Na2SO3 
D) SO2 
E) Na2S 
A) H2SO4 
B) H2S 
C) Na2SO3 
D) SO2 
E) Na2S

Question 5

What is the function of the carbon fibers in a composite?

Accepted Answer

A) to provide a structure to help the epoxy resin solidify in the desired shape 
B) to transmit loads evenly in all directions 
C) to provide resistance to oxidation 
D) to provide ultraviolet protection 
E) to "spread out" the epoxy so that it remains more flexible 
A) to provide a structure to help the epoxy resin solidify in the desired shape 
B) to transmit loads evenly in all directions 
C) to provide resistance to oxidation 
D) to provide ultraviolet protection 
E) to "spread out" the epoxy so that it remains more flexible

Question 6

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 7

Why are nitric acid solutions sometimes yellowish?

Accepted Answer

Photochemical decomp

Question 8

Which of the following is an ionic hydride?

Accepted Answer

A) CaH2 
B) C2H4 
C) HCl 
D) NH3 
E) CsOH 
A) CaH2 
B) C2H4 
C) HCl 
D) NH3 
E) CsOH

Question 9

Chains of silicate tetrahedra are called ________.

Accepted Answer

The answer of Chains of silicate tetrahedra are called ________....

Question 10

In a discussion of oxygen compounds, a disproportionation reaction is ________.

Accepted Answer

a reaction in which

Question 11

D2O is known as ________.

Accepted Answer

Question 12

Of the following compounds, which is the most stable?

Accepted Answer

A) XeF6 
B) XeOF4 
C) XeO3 
D) XeO2F2 
E) XeF2 
A) XeF6 
B) XeOF4 
C) XeO3 
D) XeO2F2 
E) XeF2

Question 13

Only the most active metals react with oxygen to form ________.

Accepted Answer

A) oxides 
B) superoxides 
C) peroxides 
D) ozonides 
E) water 
A) oxides 
B) superoxides 
C) peroxides 
D) ozonides 
E) water

Question 14

Hydrogen can form hydride ions. Elements in group ________ typically form ions with the same charge as the hydride ion.

Accepted Answer

A) 1A 
B) 2A 
C) 6A 
D) 7A 
E) 3A 
A) 1A 
B) 2A 
C) 6A 
D) 7A 
E) 3A

Question 15

The most common isotope of hydrogen is sometimes referred to as ________.

Accepted Answer

A) deuterium 
B) protium 
C) tritium 
D) heavy hydrogen 
E) common hydrogen 
A) deuterium 
B) protium 
C) tritium 
D) heavy hydrogen 
E) common hydrogen

Question 16

The oxidation number of xenon in XeF4 is ________.

Accepted Answer

A) +4 
B) +3 
C) +5 
D) +1 
E) -6 
A) +4 
B) +3 
C) +5 
D) +1 
E) -6

Question 17

The nitride ion is a strong Br∅nsted-Lowry base. Mg3N2 reacts with water to produce ________.

Accepted Answer

A) N2 
B) N2O 
C) NO 
D) NO2 
E) NH3 
A) N2 
B) N2O 
C) NO 
D) NO2 
E) NH3

Question 18

The oxidation state of As in the As2O3 molecule is ________.

Accepted Answer

A) 3 
B) 2 
C) 4 
D) -3 
E) 0 
A) 3 
B) 2 
C) 4 
D) -3 
E) 0

Question 19

What group 5A element is the most metallic?

Accepted Answer

The answer of What group 5A element is the most...

Question 20

Boric oxide is ________.

Accepted Answer

A) B2O 
B) BO2 
C) BO 
D) B2O3 
E) B2O4 
A) B2O 
B) BO2 
C) BO 
D) B2O3 
E) B2O4

Exam 22: Chemistry of the Nonmetals

The active ingredient in many liquid bleaches is ________.

Explain why silicon does not form any allotropes with structures analogous to that of graphite or buckminsterfullerenes, even though it is in the same group as carbon.

What is the oxidation state of carbon in the carbonate ion?

What sulfur compound is used to sterilize wine?

What is the function of the carbon fibers in a composite?

Which one of the following is sodium thiosulfate?

Why are nitric acid solutions sometimes yellowish?

Which of the following is an ionic hydride?

Chains of silicate tetrahedra are called ________.

In a discussion of oxygen compounds, a disproportionation reaction is ________.

D2O is known as ________.

Of the following compounds, which is the most stable?

Only the most active metals react with oxygen to form ________.

Hydrogen can form hydride ions. Elements in group ________ typically form ions with the same charge as the hydride ion.

The most common isotope of hydrogen is sometimes referred to as ________.

The oxidation number of xenon in XeF4 is ________.

The nitride ion is a strong Br∅nsted-Lowry base. Mg3N2 reacts with water to produce ________.

The oxidation state of As in the As2O3 molecule is ________.

What group 5A element is the most metallic?

Boric oxide is ________.

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

D₂O is known as ________.

The oxidation number of xenon in XeF₄ is ________.

The nitride ion is a strong Br∅nsted-Lowry base. Mg₃N₂ reacts with water to produce ________.

The oxidation state of As in the As₂O₃ molecule is ________.