Question 1

How many resonance structures does the sulfur dioxide molecule have?

Accepted Answer

A)   0
B)   3
C)   1
D)   2
E)   4F) D) and E)
G) A) and B)

Question 2

Which of the following is the strongest acid?

Accepted Answer

A)   HClO3
B)   HBrO3
C)   HIO3
D)   HIO2
E)   HClOF) B) and E)
G) B) and D)

Question 3

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.F) A) and D)
G) B) and C)

Question 4

Which best represents the allotrope(s)  of oxygen?

Accepted Answer

A)   
B)   
C)   
D)   
E)   F) All of the above
G) A) and D)

Question 5

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

Accepted Answer

A) True 
 B)False

Question 6

Which of these compounds is most likely to be covalent?

Accepted Answer

A)   CaO
B)   CsOH
C)   LiF
D)   Sr(NO3) 2
E)   NF3F) A) and B)
G) A) and C)

Question 7

What has metal and nonmetal characteristics?

Accepted Answer

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

Question 8

Below is a representation of a sample of gas with molecules having the formula XO2. Which element could NOT be represented by X? 2. Which element could NOT be represented by X?   A)  N B)  S C)  C D)  O E)  Cl" class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)   N
B)   S
C)   C
D)   O
E)   ClF) A) and D)
G) A) and E)

Question 9

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

Accepted Answer

A)   D2O
B)   H2
C)   NO2
D)   F2
E)   HeF) A) and E)
G) A) and D)

Question 10

Nonmetals are more electropositive than metals.

Accepted Answer

A) True 
 B)False

Question 11

Which of these compounds does not follow the octet rule?

Accepted Answer

A)   PF5
B)   HF
C)   NF3
D)   AsCl3
E)   CF4F) B) and E)
G) A) and E)

Question 12

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-F) A) and B)
G) A) and C)

Question 13

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 covalentF) A) and E)
G) A) and D)

Question 14

Sulfuric acid is produced when sulfur dioxide dissolves in water.

Accepted Answer

A) True 
 B)False

Question 15

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

Accepted Answer

A)   Na
B)   N
C)   B
D)   Ar
E)   PF) All of the above
G) B) and E)

Question 16

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]F) A) and B)
G) None of the above

Question 17

Which of these elements is a liquid at room temperature?

Accepted Answer

A)   Hydrogen
B)   Nitrogen
C)   Bromine
D)   Sulfur
E)   PhosphorusF) B) and E)
G) A) and B)

Question 18

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)   NaF) C) and D)
G) B) and D)

Question 19

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

Accepted Answer

A)   -3
B)   +2
C)   -1
D)   -2
E)   +1F) All of the above
G) None of the above

Question 20

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)   6AF) All of the above
G) A) and B)

Exam 25: Organic Chemistry

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

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

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

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Carbon dioxide is used in all of the following ways except

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Which of these compounds does not follow the octet rule?

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Sulfuric acid is produced when sulfur dioxide dissolves in water.

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

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

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Which best represents the allotrope(s) of oxygen?

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

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

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Which of the following is the strongest acid?

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

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

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Which of these pairs consists of isoelectronic species?

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Which of these elements is a liquid at room temperature?

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Nonmetals are more electropositive than metals.

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How many resonance structures does the sulfur dioxide molecule have?

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Which of these compounds is most likely to be covalent?

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What has metal and nonmetal characteristics?

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

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

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

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

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