Question 1

Sulfuric acid is produced when sulfur dioxide dissolves in water.

Accepted Answer

A) True 
 B)False

Question 2

Which of these compounds does not follow the octet rule?

Accepted Answer

A)  PF5 
B)  HF 
C)  NF3 
D)  AsCl3 
E)  CF4 
A)  PF5 
B)  HF 
C)  NF3 
D)  AsCl3 
E)  CF4

Question 3

What group of the periodic table is the element with the electron configuration [Ar]4s23d104p2?

Accepted Answer

A)  4A 
B)  3A 
C)  5A 
D)  2A 
E)  6A 
A)  4A 
B)  3A 
C)  5A 
D)  2A 
E)  6A

Question 4

Which of these substances is being considered as a replacement fuel for gasoline?

Accepted Answer

A)  D2O 
B)  H2 
C)  NO2 
D)  F2 
E)  He 
A)  D2O 
B)  H2 
C)  NO2 
D)  F2 
E)  He

Question 5

Which of these elements is most likely to exhibit an expanded octet in its compounds?

Accepted Answer

A)  C 
B)  O 
C)  N 
D)  S 
E)  Na 
A)  C 
B)  O 
C)  N 
D)  S 
E)  Na

Question 6

Carbon dioxide is used in all of the following ways except

Accepted Answer

A)  to provide the "bite" in soft drinks. 
B)  in fire extinguishers. 
C)  as a refrigerant. 
D)  in the Frasch process. 
E)  in the manufacture of soda ash. 
A)  to provide the "bite" in soft drinks. 
B)  in fire extinguishers. 
C)  as a refrigerant. 
D)  in the Frasch process. 
E)  in the manufacture of soda ash.

Question 7

Which of these elements is a liquid at room temperature?

Accepted Answer

A)  Hydrogen 
B)  Nitrogen 
C)  Bromine 
D)  Sulfur 
E)  Phosphorus 
A)  Hydrogen 
B)  Nitrogen 
C)  Bromine 
D)  Sulfur 
E)  Phosphorus

Question 8

What has metal and nonmetal characteristics?

Accepted Answer

The answer of What has metal and nonmetal characteristics?...

Question 9

How many resonance structures does the sulfur dioxide molecule have?

Accepted Answer

A)  0 
B)  3 
C)  1 
D)  2 
E)  4 
A)  0 
B)  3 
C)  1 
D)  2 
E)  4

Question 10

Which one of these species exists as a diatomic element at room temperature?

Accepted Answer

A)  Na 
B)  N 
C)  B 
D)  Ar 
E)  P 
A)  Na 
B)  N 
C)  B 
D)  Ar 
E)  P

Question 11

What is the charge on the monatomic ion of nitrogen, the nitride ion?

Accepted Answer

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

Question 12

Nonmetals are more electropositive than metals.

Accepted Answer

A) True 
 B)False

Question 13

Which best represents the allotrope(s) of oxygen?

Accepted Answer

A)    
B)    
C)    
D)    
E)    
A)    
B)    
C)    
D)    
E)

Question 14

Of the three oxides SiO2, MgO, and P4O10, the most acidic oxide is P4O10.

Accepted Answer

A) True 
 B)False

Question 15

Below is a representation of a sample of gas with molecules having the formula XO2. Which element could NOT be represented by X?

Accepted Answer

A)  N 
B)  S 
C)  C 
D)  O 
E)  Cl 
A)  N 
B)  S 
C)  C 
D)  O 
E)  Cl

Question 16

Which of the following is the strongest acid?

Accepted Answer

A)  HClO3 
B)  HBrO3 
C)  HIO3 
D)  HIO2 
E)  HClO 
A)  HClO3 
B)  HBrO3 
C)  HIO3 
D)  HIO2 
E)  HClO

Question 17

What type of bond is the O-H bond in CH3OH?

Accepted Answer

A)  Nonpolar covalent 
B)  Ionic 
C)  Coordinate covalent 
D)  Polar ionic 
E)  Polar covalent 
A)  Nonpolar covalent 
B)  Ionic 
C)  Coordinate covalent 
D)  Polar ionic 
E)  Polar covalent

Question 18

Which of these pairs consists of isoelectronic species?

Accepted Answer

A)  Zn2+ and Cu2+ 
B)  Cl- and S 
C)  Na+ and K+ 
D)  Mn2+ and Ar 
E)  K+ and Cl- 
A)  Zn2+ and Cu2+ 
B)  Cl- and S 
C)  Na+ and K+ 
D)  Mn2+ and Ar 
E)  K+ and Cl-

Question 19

Which of these compounds is most likely to be covalent?

Accepted Answer

A)  CaO 
B)  CsOH 
C)  LiF 
D)  Sr(NO3)2 
E)  NF3 
A)  CaO 
B)  CsOH 
C)  LiF 
D)  Sr(NO3)2 
E)  NF3

Question 20

Which of these choices is the electron configuration for the chloride ion?

Accepted Answer

A)  [Ne]3s23p5 
B)  [Ne]3s23p7 
C)  [Ne]3s23p4 
D)  [Ar]4s1 
E)  [Ar] 
A)  [Ne]3s23p5 
B)  [Ne]3s23p7 
C)  [Ne]3s23p4 
D)  [Ar]4s1 
E)  [Ar]

Exam 25: Organic Chemistry

Sulfuric acid is produced when sulfur dioxide dissolves in water.

Which of these compounds does not follow the octet rule?

What group of the periodic table is the element with the electron configuration [Ar]4s23d104p2?

Which of these substances is being considered as a replacement fuel for gasoline?

Which of these elements is most likely to exhibit an expanded octet in its compounds?

Carbon dioxide is used in all of the following ways except

Which of these elements is a liquid at room temperature?

What has metal and nonmetal characteristics?

How many resonance structures does the sulfur dioxide molecule have?

Which one of these species exists as a diatomic element at room temperature?

What is the charge on the monatomic ion of nitrogen, the nitride ion?

Nonmetals are more electropositive than metals.

Which best represents the allotrope(s) of oxygen?

Of the three oxides SiO2, MgO, and P4O10, the most acidic oxide is P4O10.

Below is a representation of a sample of gas with molecules having the formula XO2. Which element could NOT be represented by X?

Which of the following is the strongest acid?

What type of bond is the O-H bond in CH3OH?

Which of these pairs consists of isoelectronic species?

Which of these compounds is most likely to be covalent?

Which of these choices is the electron configuration for the chloride ion?

Chemistry: the Central Science

Atoms, Molecules, and Ions

Stoichiometry: Ratios of Combination

Reactions in Aqueous Solutions

Thermochemistry

Quantum Theory and the Electronic Structure of Atoms

Electron Configuration and the Periodic Table

Chemical Bonding I: Basic Concepts

Chemical Bonding II: Molecular Geometry and Bonding Theories

Gases

Intermolecular Forces and the Physical Properties of Liquids and Solids

Modern Materials

Physical Properties of Solutions

Chemical Kinetics

Chemical Equilibrium

Acids and Bases

Acid-Base Equilibria and Solubility Equilibria

Entropy, Free Energy, and Equilibrium

Electrochemistry

Nuclear Chemistry

Environmental Chemistry

Coordination Chemistry

Metallurgy and the Chemistry of Metals

Nonmetallic Elements and Their Compounds

Filters

What group of the periodic table is the element with the electron configuration [Ar]4s²3d¹⁰4p²?

Of the three oxides SiO₂, MgO, and P₄O₁₀, the most acidic oxide is P₄O₁₀.

Below is a representation of a sample of gas with molecules having the formula XO₂. Which element could NOT be represented by X?

What type of bond is the O-H bond in CH₃OH?