Question 1

Which of the following statements is generally true about electronegativity trends in the Periodic Table?

Accepted Answer

A)  Electronegativity decreases as we move left to right and decreases as we move top to bottom. 
B)  Electronegativity decreases as we move left to right and increases as we move top to bottom. 
C)  Electronegativity increases as we move left to right and decreases as we move top to bottom. 
D)  Electronegativity increases as we move left to right and increases as we move top to bottom. 
A)  Electronegativity decreases as we move left to right and decreases as we move top to bottom. 
B)  Electronegativity decreases as we move left to right and increases as we move top to bottom. 
C)  Electronegativity increases as we move left to right and decreases as we move top to bottom. 
D)  Electronegativity increases as we move left to right and increases as we move top to bottom.

Question 2

What is the correct name of BaI2?

Accepted Answer

A)  barium iodine 
B)  barium iodide 
C)  barium diiodide 
D)  monobarium diiodide 
A)  barium iodine 
B)  barium iodide 
C)  barium diiodide 
D)  monobarium diiodide

Question 3

FeSO4 is commonly used as an iron supplement for dietary intake. Which of the following is the correct name of this compound?

Accepted Answer

A)  iron sulfate 
B)  iron(II) sulfate 
C)  iron(III) sulfate 
D)  iron sulfur tetroxide 
A)  iron sulfate 
B)  iron(II) sulfate 
C)  iron(III) sulfate 
D)  iron sulfur tetroxide

Question 4

Which of the following is true of the molecule O=C=S?

Accepted Answer

A)  O=C=S is nonpolar because it contains only double bonds. 
B)  O=C=S is nonpolar because it is linear. 
C)  O=C=S is polar because it has a bent shape. 
D)  O=C=S is polar because the polarities of the O=C and C=S do not cancel. 
A)  O=C=S is nonpolar because it contains only double bonds. 
B)  O=C=S is nonpolar because it is linear. 
C)  O=C=S is polar because it has a bent shape. 
D)  O=C=S is polar because the polarities of the O=C and C=S do not cancel.

Question 5

In a Lewis structure, which of the following atoms can have more than eight electrons associated with it?

Accepted Answer

A)  C 
B)  F 
C)  P 
D)  none of these 
A)  C 
B)  F 
C)  P 
D)  none of these

Question 6

What is the formula of the compound formed by iron(III) ion and oxygen?

Accepted Answer

A)  FeO 
B)  FeO2 
C)  Fe2O3 
D)  Fe3O2 
A)  FeO 
B)  FeO2 
C)  Fe2O3 
D)  Fe3O2

Question 7

Which is most likely true of an atom with six valence electrons?

Accepted Answer

A)  It will gain one electron. 
B)  It will gain two electrons. 
C)  It will lose one electron. 
D)  It will lose two electrons. 
A)  It will gain one electron. 
B)  It will gain two electrons. 
C)  It will lose one electron. 
D)  It will lose two electrons.

Question 8

A covalent bond is associated with which of the following?

Accepted Answer

A)  interactions between nuclei 
B)  the sharing of electrons 
C)  the transfer of electrons 
D)  all of these 
A)  interactions between nuclei 
B)  the sharing of electrons 
C)  the transfer of electrons 
D)  all of these

Question 9

Which of the following ions has the same electronic configuration as argon?

Accepted Answer

A)  K2+ 
B)  Ca+ 
C)  both K2+ and Ca+ 
D)  neither K2+ or Ca+ 
A)  K2+ 
B)  Ca+ 
C)  both K2+ and Ca+ 
D)  neither K2+ or Ca+

Question 10

Which of the following is true of polyatomic ions?

Accepted Answer

A)  All polyatomic ions are anions. 
B)  All polyatomic ions are cations. 
C)  The vast majority of polyatomic ions are anions. 
D)  The vast majority of polyatomic ions are cations. 
A)  All polyatomic ions are anions. 
B)  All polyatomic ions are cations. 
C)  The vast majority of polyatomic ions are anions. 
D)  The vast majority of polyatomic ions are cations.

Question 11

Which halogen atom is most electronegative?

Accepted Answer

A)  bromine 
B)  chlorine 
C)  fluorine 
D)  iodine 
A)  bromine 
B)  chlorine 
C)  fluorine 
D)  iodine

Question 12

Which of the following is true of ionic compounds?

Accepted Answer

A)  They are liquids at room temperature. 
B)  They are solids in which individual molecules are present. 
C)  They are solids in which both cations and anions are present. 
D)  Depending on the compound, any of these may apply. 
A)  They are liquids at room temperature. 
B)  They are solids in which individual molecules are present. 
C)  They are solids in which both cations and anions are present. 
D)  Depending on the compound, any of these may apply.

Question 13

What is the formula of the compound formed by calcium and fluorine?

Accepted Answer

A)  Ca3F 
B)  CaF2 
C)  Ca3F3 
D)  Ca2F3 
A)  Ca3F 
B)  CaF2 
C)  Ca3F3 
D)  Ca2F3

Question 14

Which of the following is the ferric ion?

Accepted Answer

A)  Fe+ 
B)  Fe2+ 
C)  Fe3+ 
D)  Fe4+ 
A)  Fe+ 
B)  Fe2+ 
C)  Fe3+ 
D)  Fe4+

Question 15

Which of the following molecules is nonpolar?

Accepted Answer

A)  HCOOH 
B)  C6H5COOH 
C)  C6H5OH 
D)  None, they are all polar. 
A)  HCOOH 
B)  C6H5COOH 
C)  C6H5OH 
D)  None, they are all polar.

Question 16

What is the systematic name of the compound whose formula is FeCl2?

Accepted Answer

A)  ferric chloride 
B)  ferrous chloride 
C)  iron(II) chloride 
D)  iron(II) chlorine 
A)  ferric chloride 
B)  ferrous chloride 
C)  iron(II) chloride 
D)  iron(II) chlorine

Question 17

Which of the following occurs when an oxygen atom is converted to O2-?

Accepted Answer

A)  The oxygen atom gains two electrons and loses two protons. 
B)  The oxygen atom gains two electrons. 
C)  The oxygen atom loses two electrons and two protons. 
D)  The oxygen loses two electrons. 
A)  The oxygen atom gains two electrons and loses two protons. 
B)  The oxygen atom gains two electrons. 
C)  The oxygen atom loses two electrons and two protons. 
D)  The oxygen loses two electrons.

Question 18

Which of the following molecules is not polar?

Accepted Answer

A)  NH3 
B)  HF 
C)  O2 
D)  CH3CN 
A)  NH3 
B)  HF 
C)  O2 
D)  CH3CN

Question 19

In which of the following molecules does the carbon atom have a nearly trigonal planar distribution of electron density?

Accepted Answer

A)  C2H2 
B)  C2H4 
C)  C2H6 
D)  none of these 
A)  C2H2 
B)  C2H4 
C)  C2H6 
D)  none of these

Question 20

In the "ous/ic" system, which species is named with the "ic" ending?

Accepted Answer

A)  the less negative anion 
B)  the more negative anion 
C)  the less positive cation 
D)  the more positive cation 
A)  the less negative anion 
B)  the more negative anion 
C)  the less positive cation 
D)  the more positive cation

Exam 3: Chemical Bonds

Which of the following statements is generally true about electronegativity trends in the Periodic Table?

What is the correct name of BaI2?

FeSO4 is commonly used as an iron supplement for dietary intake. Which of the following is the correct name of this compound?

Which of the following is true of the molecule O=C=S?

In a Lewis structure, which of the following atoms can have more than eight electrons associated with it?

What is the formula of the compound formed by iron(III) ion and oxygen?

Which is most likely true of an atom with six valence electrons?

A covalent bond is associated with which of the following?

Which of the following ions has the same electronic configuration as argon?

Which of the following is true of polyatomic ions?

Which halogen atom is most electronegative?

Which of the following is true of ionic compounds?

What is the formula of the compound formed by calcium and fluorine?

Which of the following is the ferric ion?

Which of the following molecules is nonpolar?

What is the systematic name of the compound whose formula is FeCl2?

Which of the following occurs when an oxygen atom is converted to O2-?

Which of the following molecules is not polar?

In which of the following molecules does the carbon atom have a nearly trigonal planar distribution of electron density?

In the "ous/ic" system, which species is named with the "ic" ending?

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What is the correct name of BaI₂?

FeSO₄ is commonly used as an iron supplement for dietary intake. Which of the following is the correct name of this compound?

What is the systematic name of the compound whose formula is FeCl₂?

Which of the following occurs when an oxygen atom is converted to O^2-?