Question 1

The drug "lithium" is often prescribed to treat mental illness.It is not the element lithium, but the ionic compound Li2CO3, that is actually administered.What is the name of this compound?

Accepted Answer

A)  dilithium carbon trioxide
B)  lithium carbide
C)  lithium carboxide
D)  lithium carbonate
E)  lithium tricarbonate D

Question 2

What is the formula of the sulfate ion?

Accepted Answer

A)  SO4-
B)  SO3-
C)  SO42-
D)  SO32-
E)  SO22-

Question 3

What are the two principal classes of bonding called?

Accepted Answer

A)  ionic bonding and nuclear bonding
B)  covalent bonding and hydrogen bonding
C)  hydrogen bonding and ionic bonding
D)  polar bonding and ionic bonding
E)  ionic bonding and covalent bonding

Question 4

What is the formula of the ionic compound sodium carbonate?

Accepted Answer

A)  NaCO2
B)  Na2CO2
C)  Na2CO3
D)  Na(CO3) 2
E)  Na3CO3

Question 5

What kind of bonding exists in substances that consist of discrete molecules?

Accepted Answer

A)  ionic
B)  covalent
C)  hydrogen bonding
D)  intermolecular
E)  polar

Question 6

As a rule, a polar substance will be a good solvent for nonpolar solutes, and vice versa.

Accepted Answer

A) True 
 B)False

Question 7

Which of the following Lewis structures has a possible resonance structure?

Accepted Answer

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

Question 8

What is the name of Fe2(SO4) 3 in the Stock system?

Accepted Answer

A)  iron monosulfuric acid
B)  iron(II)  sulfate
C)  iron(III)  sulfate
D)  iron trisulfate
E)  iron(II)  trisulfate

Question 9

The name of SnO2 is tin(II) oxide.

Accepted Answer

A) True 
 B)False  False

Question 10

According to the VSEPR theory, what is the geometry (shape)  around the phosphorus atom in the Lewis structure shown below?

Accepted Answer

A)  linear
B)  bent (angular) 
C)  trigonal planar
D)  trigonal pyramidal
E)  tetrahedral

Question 11

What is wrong with the Lewis structure shown for sulfur trioxide, SO3? 3?   A) Oxygen, not sulfur, should be the central atom. B) Sulfur should have 10 electrons around it instead of 8, to show its expanded octet. C) The structure shows 26 valence electrons, but there should only be 24. D) There are too many bonding electrons shown. E) The structure should show each oxygen atom with a double bond to the sulfur atom." class="answers-bank-image d-inline" rel="preload" >

Accepted Answer

A)  Oxygen, not sulfur, should be the central atom.
B)  Sulfur should have 10 electrons around it instead of 8, to show its expanded octet.
C)  The structure shows 26 valence electrons, but there should only be 24.
D)  There are too many bonding electrons shown.
E)  The structure should show each oxygen atom with a double bond to the sulfur atom.

Question 12

What is the proper name for N2O5?

Accepted Answer

A)  nitrogen(IV)  oxide
B)  dinitrogen pentoxide
C)  nitrogen oxide
D)  nitrate
E)  nitrite B

Question 13

What is the name of Fe2+ in the Stock system?

Accepted Answer

A)  iron 2 ion
B)  iron(II)  ion
C)  ferric(II)  ion
D)  ferrous 2+ ion
E)  iron cation

Question 14

What is the name of CuF2 in the Stock system?

Accepted Answer

A)  copper(I)  fluoride
B)  copper(II)  fluorate
C)  copper difluoride
D)  copper fluoride
E)  copper(II)  fluoride

Question 15

The ionic compound iron(II)  sulfate is used in iron-containing supplements.What does the (II)  in the name of this compound specifically indicate?

Accepted Answer

A)  There are two iron ions in this compound.
B)  The charge on the iron ion is +2.
C)  The charge on the sulfate ion is −2.
D)  Iron has two valence electrons.
E)  There are two sulfate ions in this compound.

Question 16

The common name of iron(III) chloride is ferric chloride.

Accepted Answer

A) True 
 B)False

Question 17

What is the Lewis symbol of the fluoride ion?

Accepted Answer

A)   
B)   
C)   
D)   
E)

Question 18

In determining properties such as solubility, melting point, and boiling point, intramolecular forces are more important than intermolecular forces.

Accepted Answer

A) True 
 B)False

Question 19

How many total valence electrons are in SO42- ?

Accepted Answer

A)  2
B)  64
C)  32
D)  12
E)  16

Question 20

What is the name of the ion whose formula is NO3-?

Accepted Answer

A)  nitrogen trioxide ion
B)  nitrate ion
C)  ammonium ion
D)  sodium oxide ion
E)  nitride ion

Exam 3: Structure and Properties of Ionic and Covalent Compounds

The drug "lithium" is often prescribed to treat mental illness.It is not the element lithium, but the ionic compound Li2CO3, that is actually administered.What is the name of this compound?

Correct AnswerverifiedD

What is the formula of the sulfate ion?

Correct AnswerverifiedShow Answer

What are the two principal classes of bonding called?

Correct AnswerverifiedShow Answer

What is the formula of the ionic compound sodium carbonate?

Correct AnswerverifiedShow Answer

What kind of bonding exists in substances that consist of discrete molecules?

Correct AnswerverifiedShow Answer

As a rule, a polar substance will be a good solvent for nonpolar solutes, and vice versa.

Correct AnswerverifiedShow Answer

Which of the following Lewis structures has a possible resonance structure?

Correct AnswerverifiedShow Answer

What is the name of Fe2(SO4) 3 in the Stock system?

Correct AnswerverifiedShow Answer

The name of SnO2 is tin(II) oxide.

Correct AnswerverifiedFalse

According to the VSEPR theory, what is the geometry (shape) around the phosphorus atom in the Lewis structure shown below?

Correct AnswerverifiedShow Answer

What is wrong with the Lewis structure shown for sulfur trioxide, SO3?

Correct AnswerverifiedShow Answer

What is the proper name for N2O5?

Correct AnswerverifiedB

What is the name of Fe2+ in the Stock system?

Correct AnswerverifiedShow Answer

What is the name of CuF2 in the Stock system?

Correct AnswerverifiedShow Answer

The ionic compound iron(II) sulfate is used in iron-containing supplements.What does the (II) in the name of this compound specifically indicate?

Correct AnswerverifiedShow Answer

The common name of iron(III) chloride is ferric chloride.

Correct AnswerverifiedShow Answer

What is the Lewis symbol of the fluoride ion?

Correct AnswerverifiedShow Answer

In determining properties such as solubility, melting point, and boiling point, intramolecular forces are more important than intermolecular forces.

Correct AnswerverifiedShow Answer

How many total valence electrons are in SO42- ?

Correct AnswerverifiedShow Answer

What is the name of the ion whose formula is NO3-?

Correct AnswerverifiedShow Answer

The drug "lithium" is often prescribed to treat mental illness.It is not the element lithium, but the ionic compound Li₂CO₃, that is actually administered.What is the name of this compound?

Correct Answer
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D

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What is the name of Fe₂(SO₄) ₃ in the Stock system?

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The name of SnO₂ is tin(II) oxide.

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False

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What is wrong with the Lewis structure shown for sulfur trioxide, SO₃?

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What is the proper name for N₂O₅?

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B

What is the name of Fe²⁺ in the Stock system?

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What is the name of CuF₂ in the Stock system?

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How many total valence electrons are in SO₄^2- ?

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What is the name of the ion whose formula is NO₃-_?

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