Question 1

In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl3 or PCl5 forms depends on ________.

Accepted Answer

A) which allotropic form of phosphorus is used 
B) the amount of chlorine present 
C) whether the reaction is carried out in the gas phase or in solution 
D) whether the chlorine used is molecular or atomic 
E) the amount of moisture present 
A) which allotropic form of phosphorus is used 
B) the amount of chlorine present 
C) whether the reaction is carried out in the gas phase or in solution 
D) whether the chlorine used is molecular or atomic 
E) the amount of moisture present

Question 2

The reduction of O2 by sodium hydride produces lye.

Accepted Answer

A) True 
 B)False

Question 3

Low levels of arsenic consumption can lead to ________ or bladder cancer.

Accepted Answer

The answer of Low levels of arsenic consumption can lead...

Question 4

Which equation correctly represents what happens when N   dissolves in water?

Accepted Answer

A) NO2 (g) + H2O (l) → 2H+ (aq) + NO3- (aq) 
B) 3NO2 (g) + H2O (l) → 2H+ (aq) + 2NO3- (aq) + NO (g) 
C) NO2 (g) + H2O (l) → H2O2 (aq) + NO (g) 
D) 2NO2 (g) + H2O (l) → 2H+ (aq) + NO42- (aq) + NO (g) 
E) 2NO2 (g) + 2H2O (l) → 2HNO2 (aq) + O2 (g) + H2 (g) 
A) NO2 (g) + H2O (l) → 2H+ (aq) + NO3- (aq) 
B) 3NO2 (g) + H2O (l) → 2H+ (aq) + 2NO3- (aq) + NO (g) 
C) NO2 (g) + H2O (l) → H2O2 (aq) + NO (g) 
D) 2NO2 (g) + H2O (l) → 2H+ (aq) + NO42- (aq) + NO (g) 
E) 2NO2 (g) + 2H2O (l) → 2HNO2 (aq) + O2 (g) + H2 (g)

Question 5

An example of a form of pure carbon that contains only sp3 hybridized carbon atoms is ________.

Accepted Answer

A) diamond 
B) charcoal 
C) graphite 
D) carbon black 
E) carborundum 
A) diamond 
B) charcoal 
C) graphite 
D) carbon black 
E) carborundum

Question 6

The electron-pair geometry and molecular geometry of XeF2 are ________ and ________, respectively.

Accepted Answer

A) trigonal bipyramidal; bent 
B) trigonal bipyramidal; linear 
C) trigonal bipyramidal; Bent 
D) octahedral; linear 
E) octahedral; bent 
A) trigonal bipyramidal; bent 
B) trigonal bipyramidal; linear 
C) trigonal bipyramidal; Bent 
D) octahedral; linear 
E) octahedral; bent

Question 7

What noble gas is radioactive?

Accepted Answer

The answer of What noble gas is radioactive?...

Question 8

Isotopes of hydrogen ________.

Accepted Answer

A) have the same atomic number and different mass numbers 
B) have the same atomic number and the same mass number 
C) have different atomic numbers and different mass numbers 
D) have different atomic numbers and the same mass number 
E) are exactly alike 
A) have the same atomic number and different mass numbers 
B) have the same atomic number and the same mass number 
C) have different atomic numbers and different mass numbers 
D) have different atomic numbers and the same mass number 
E) are exactly alike

Question 9

The danger from mixing ammonia with bleach is the production of ________.

Accepted Answer

The answer of The danger from mixing ammonia with bleach...

Question 10

SiO44- is the ________ ion.

Accepted Answer

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

Question 11

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

Accepted Answer

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

Question 12

What is the oxidation state of oxygen in the superoxide ion?

Accepted Answer

The answer of What is the oxidation state of oxygen...

Question 13

Which form of elemental sulfur is the most stable at room temperature?

Accepted Answer

A) rhombic sulfur 
B) monoclinic 
C) hexagonal 
D) triclinic 
E) tetraclinic 
A) rhombic sulfur 
B) monoclinic 
C) hexagonal 
D) triclinic 
E) tetraclinic

Question 14

The white allotropic form of ________ bursts into flame when exposed to air.

Accepted Answer

A) phosphorus 
B) carbon 
C) sulfur 
D) selenium 
E) oxygen 
A) phosphorus 
B) carbon 
C) sulfur 
D) selenium 
E) oxygen

Question 15

What process replenishes O2?

Accepted Answer

Question 16

The molecular shape of the PF3 molecule is ________.

Accepted Answer

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

Question 17

Describe the major difference in the charge distribution in CH4 and SiH4.

Accepted Answer

Even though both C-H and Si-H bonds are

Question 18

Oxides can react with water to form acids or bases.

Accepted Answer

A) True 
 B)False

Question 19

The primary commercial use of elemental nitrogen is in the manufacture of ________.

Accepted Answer

A) plastics 
B) explosives 
C) nitrogen-containing fertilizers 
D) rubber 
E) chlorine bleach 
A) plastics 
B) explosives 
C) nitrogen-containing fertilizers 
D) rubber 
E) chlorine bleach

Question 20

Hydrogen can have oxidation states of ________.

Accepted Answer

A) +1 only 
B) -1, 0, and +1 
C) 0 and +1 only 
D) -1 and +1 only 
E) 0 only 
A) +1 only 
B) -1, 0, and +1 
C) 0 and +1 only 
D) -1 and +1 only 
E) 0 only

Exam 22: Chemistry of the Nonmetals

In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl3 or PCl5 forms depends on ________.

The reduction of O2 by sodium hydride produces lye.

Low levels of arsenic consumption can lead to ________ or bladder cancer.

Which equation correctly represents what happens when N dissolves in water?

An example of a form of pure carbon that contains only sp3 hybridized carbon atoms is ________.

The electron-pair geometry and molecular geometry of XeF2 are ________ and ________, respectively.

What noble gas is radioactive?

Isotopes of hydrogen ________.

The danger from mixing ammonia with bleach is the production of ________.

SiO44- is the ________ ion.

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

What is the oxidation state of oxygen in the superoxide ion?

Which form of elemental sulfur is the most stable at room temperature?

The white allotropic form of ________ bursts into flame when exposed to air.

What process replenishes O2?

The molecular shape of the PF3 molecule is ________.

Describe the major difference in the charge distribution in CH4 and SiH4.

Oxides can react with water to form acids or bases.

The primary commercial use of elemental nitrogen is in the manufacture of ________.

Hydrogen can have oxidation states of ________.

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

In the reaction of phosphorus with chlorine to form a phosphorus chloride, whether PCl₃ or PCl₅ forms depends on ________.

The reduction of O₂ by sodium hydride produces lye.

An example of a form of pure carbon that contains only sp³ hybridized carbon atoms is ________.

The electron-pair geometry and molecular geometry of XeF₂ are and , respectively.

SiO₄^4- is the ________ ion.

What process replenishes O₂?

The molecular shape of the PF₃ molecule is ________.

Describe the major difference in the charge distribution in CH₄ and SiH₄.