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Test Bank for Organic Chemistry 9th Edition By
McMurry || All Verified Chapters (1 - 31)
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Chapter 1—Structure and Bonding
SHORT ANSWER
1. Give the ground-state electron configuration for carbon (atomic number 6).
ANS:
1s22s22px12py1 or 1s22s22p2
2. Give the ground-state electron configuration for fluorine (atomic number 9).
ANS:
1s22s22px2 2py2 2pz1 or 1s22s22p5
3.Give the ground-state electron configuration for magnesium (atomic number 12).
ANS:
1s22s22p63s2
4. How many electrons does silicon have in its valence shell?
ANS:
four
Exhibit 1-1
Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show
all non-bonding electrons.
5. C2Cl4 tetrachloroethylene
ANS:
6. CO2 carbon dioxide
ANS:
7. CH4O methanol
1
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Structure and Bonding
ANS:
Exhibit 1-2
Consider the structure of urea, shown below, to answer the following question(s).
8. Refer to Exhibit 1-2. Fill in any non-bonding valence electrons that are missing from the line-bond
structure.
ANS:
9. Refer to Exhibit 1-2. The carbon atom in urea is:
sp3 hybridized
sp2 hybridized
sp hybridized
not hybridized
ANS:
b
10. Refer to Exhibit 1-2. The predicted NH2C=O bond angle in urea is:
109.5
120
180
not predictable
ANS:
b
2
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Test Bank for Organic Chemistry 9th Edition By
McMurry || All Verified Chapters (1 - 31)
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Chapter 1—Structure and Bonding
SHORT ANSWER
1. Give the ground-state electron configuration for carbon (atomic number 6).
ANS:
1s22s22px12py1 or 1s22s22p2
2. Give the ground-state electron configuration for fluorine (atomic number 9).
ANS:
1s22s22px2 2py2 2pz1 or 1s22s22p5
3.Give the ground-state electron configuration for magnesium (atomic number 12).
ANS:
1s22s22p63s2
4. How many electrons does silicon have in its valence shell?
ANS:
four
Exhibit 1-1
Write valid Lewis (electron-dot) structures for each formula below. Show all electrons as dots and show
all non-bonding electrons.
5. C2Cl4 tetrachloroethylene
ANS:
6. CO2 carbon dioxide
ANS:
7. CH4O methanol
1
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Structure and Bonding
ANS:
Exhibit 1-2
Consider the structure of urea, shown below, to answer the following question(s).
8. Refer to Exhibit 1-2. Fill in any non-bonding valence electrons that are missing from the line-bond
structure.
ANS:
9. Refer to Exhibit 1-2. The carbon atom in urea is:
sp3 hybridized
sp2 hybridized
sp hybridized
not hybridized
ANS:
b
10. Refer to Exhibit 1-2. The predicted NH2C=O bond angle in urea is:
109.5
120
180
not predictable
ANS:
b
2
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