Test Bank of Organic Chemistry 4th
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Edition By Janice Smith
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, Chapter 1: Structure and Bonding l l l l
1. What is the ground-state electronic configuration of a carbon atom?
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A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4
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2. What is the ground-state electronic configuration of a fluorine atom?
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A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5
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3. What is the ground-state electronic configuration of a magnesium cation (Mg2+)?
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A) 1s2, 2s2, 2p6 l lC) 1s2, 2s2, 2p6, 3s2 l l l
B) 1s2, 2s2, 2p6, 3s1 l l l D) 1s2, 2s2, 2p6, 3s2, 3p2 l l l l
4. What is the ground-state electronic configuration of a chlorine anion (Cl—)?
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A) 1s2, 2s2, 2p6 l lC) 1s2, 2s2, 2p6, 3s2, 3p5 l l l l
B) 1s2, 2s2, 2p6, 3s2, 3p6
l l l l D) 1s2, 2s2, 2p6, 3s2, 3p4 l l l l
5. Which of the following statements about valence electrons is true?
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A) They are the most tightly held electrons.
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B) They do not participate in chemical reactions.
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, Chapter 1: Structure and Bonding
C) They are the outermost electrons. l l l l
D) They reveal the period number of a second-row element.
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6. Which of the following statements about bonding is true?
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A) Covalent bonds result from the transfer of electrons from one element to another.
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B) Ionic bonds result from the transfer of electrons from a metal to a non-metal.
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C) Ionic bonds result from the sharing of electrons between two non-metals.
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D) Covalent bonds result from the sharing of electrons between two metals.
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7. Which of the following would you expect to have ionic bonds?
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A) CO B) FBr C) NF3 D) NaCl l l l
8. Which of the following molecules has nonpolar covalent bonds?
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A) HCl B) N2 C) CHCl3 D) NO l l l
9. Which of the following molecules contain both covalent and ionic bonds?
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A) I, II l B) I, IV C) II, III D) II, IV
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10. Arrange the following bonds in decreasing order of ionic character, putting the most
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ionic first.
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A) I > II > III > IV
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B) IV > II > I > III
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11. Which of the following statements correctly describes the typical number of bonds for
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carbon, nitrogen, and oxygen in most neutral organic molecules?
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A) Carbon forms 4 covalent bonds, nitrogen forms 2 covalent bonds and oxygen forms 3
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covalent bonds.
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B) Carbon forms 4 covalent bonds, nitrogen forms 3 covalent bonds and oxygen forms 2
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covalent bonds.
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l l l l l
Edition By Janice Smith
l l l l
Page 1
,Page 2
, Chapter 1: Structure and Bonding l l l l
1. What is the ground-state electronic configuration of a carbon atom?
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A) 1s2, 2s2, 2p5 B) 1s2, 2s2, 2p2 C) 1s2, 2s2, 2p6 D) 1s2, 2s2, 2p4
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2. What is the ground-state electronic configuration of a fluorine atom?
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A) 1s2, 2s2, 2p2 B) 1s2, 2s2, 2p3 C) 1s2, 2s2, 2p4 D) 1s2, 2s2, 2p5
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3. What is the ground-state electronic configuration of a magnesium cation (Mg2+)?
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A) 1s2, 2s2, 2p6 l lC) 1s2, 2s2, 2p6, 3s2 l l l
B) 1s2, 2s2, 2p6, 3s1 l l l D) 1s2, 2s2, 2p6, 3s2, 3p2 l l l l
4. What is the ground-state electronic configuration of a chlorine anion (Cl—)?
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A) 1s2, 2s2, 2p6 l lC) 1s2, 2s2, 2p6, 3s2, 3p5 l l l l
B) 1s2, 2s2, 2p6, 3s2, 3p6
l l l l D) 1s2, 2s2, 2p6, 3s2, 3p4 l l l l
5. Which of the following statements about valence electrons is true?
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A) They are the most tightly held electrons.
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B) They do not participate in chemical reactions.
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, Chapter 1: Structure and Bonding
C) They are the outermost electrons. l l l l
D) They reveal the period number of a second-row element.
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6. Which of the following statements about bonding is true?
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A) Covalent bonds result from the transfer of electrons from one element to another.
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B) Ionic bonds result from the transfer of electrons from a metal to a non-metal.
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C) Ionic bonds result from the sharing of electrons between two non-metals.
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D) Covalent bonds result from the sharing of electrons between two metals.
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7. Which of the following would you expect to have ionic bonds?
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A) CO B) FBr C) NF3 D) NaCl l l l
8. Which of the following molecules has nonpolar covalent bonds?
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A) HCl B) N2 C) CHCl3 D) NO l l l
9. Which of the following molecules contain both covalent and ionic bonds?
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A) I, II l B) I, IV C) II, III D) II, IV
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10. Arrange the following bonds in decreasing order of ionic character, putting the most
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ionic first.
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A) I > II > III > IV
l l l l l l C) IV > III > II > I
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B) IV > II > I > III
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11. Which of the following statements correctly describes the typical number of bonds for
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carbon, nitrogen, and oxygen in most neutral organic molecules?
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A) Carbon forms 4 covalent bonds, nitrogen forms 2 covalent bonds and oxygen forms 3
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covalent bonds.
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B) Carbon forms 4 covalent bonds, nitrogen forms 3 covalent bonds and oxygen forms 2
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covalent bonds.
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