,1. What is the ground state electron configuration of carbon?
2 2
A. 1s 2s 2px1
2 2
B. 1s 2s 2px2
2 2
C. 1s 2s 2px12py1
2 2
D. 1s 2s 2px22py1
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.01
Subtopic: Periodic table trends
Topic: Structure and Bonding
2. Which of the following has (have) the same electron configuration as Ne?
- 2+ 2- +
Na Mg O Mg
- 2-
A. Na and O
2+ 2-
B. Mg and O
+ 2-
C. Mg and O
2+
D. only Mg
Accessibility: Keyboard Navigation
Bloom's Level: 4. Analyze
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.02
Subtopic: Periodic table trends
Topic: Structure and Bonding
,3. What is the letter designation given to dumbbell shaped orbitals like the one depicted
below?
A. s
B. p
C. d
D. f
Bloom's Level: 1. Remember
Chapter: 01
Difficulty: Easy
Gradable: automatic
Section: 01.01
Subtopic: Atomic orbitals
Topic: Molecular Shape
4. Which of the following atoms has vacant d orbitals that permit it to accommodate more
than eight electrons in its valence shell?
A. N
B. C
C. Ne
D. S
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Difficulty: Easy
Gradable: automatic
Section: 01.08
Subtopic: Octet rule exceptions
Topic: Structure and Bonding
5. Predict which bond is the most polar in ethanol, CH 3CH2OH?
A. C-C
B. C-H
C. C-O
D. O-H
Accessibility: Keyboard Navigation
Bloom's Level: 4. Analyze
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.04
Subtopic: Bond properties
Subtopic: Types of bonds
Topic: Structure and Bonding
, 6. Which one of the following is the conjugate base of NH 3?
A. NH4+
+
B. H
C. N3-
-
D. NH2
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.12
Subtopic: Acid/Base definitions
Topic: Acids and Bases
7. What can be said about the polarity of the C=O bond?
A. C and O have the same electronegativity; the bond is nonpolar
B. the C=O bond is polar; the O atom bears a partial negative charge
C. the C=O bond is nonpolar; the C atom bears a partial positive charge
D. the C=O bond is polar; the C atom bears a partial negative charge
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.04
Subtopic: Bond properties
Subtopic: Types of bonds
Topic: Structure and Bonding
2 2
A. 1s 2s 2px1
2 2
B. 1s 2s 2px2
2 2
C. 1s 2s 2px12py1
2 2
D. 1s 2s 2px22py1
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.01
Subtopic: Periodic table trends
Topic: Structure and Bonding
2. Which of the following has (have) the same electron configuration as Ne?
- 2+ 2- +
Na Mg O Mg
- 2-
A. Na and O
2+ 2-
B. Mg and O
+ 2-
C. Mg and O
2+
D. only Mg
Accessibility: Keyboard Navigation
Bloom's Level: 4. Analyze
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.02
Subtopic: Periodic table trends
Topic: Structure and Bonding
,3. What is the letter designation given to dumbbell shaped orbitals like the one depicted
below?
A. s
B. p
C. d
D. f
Bloom's Level: 1. Remember
Chapter: 01
Difficulty: Easy
Gradable: automatic
Section: 01.01
Subtopic: Atomic orbitals
Topic: Molecular Shape
4. Which of the following atoms has vacant d orbitals that permit it to accommodate more
than eight electrons in its valence shell?
A. N
B. C
C. Ne
D. S
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Difficulty: Easy
Gradable: automatic
Section: 01.08
Subtopic: Octet rule exceptions
Topic: Structure and Bonding
5. Predict which bond is the most polar in ethanol, CH 3CH2OH?
A. C-C
B. C-H
C. C-O
D. O-H
Accessibility: Keyboard Navigation
Bloom's Level: 4. Analyze
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.04
Subtopic: Bond properties
Subtopic: Types of bonds
Topic: Structure and Bonding
, 6. Which one of the following is the conjugate base of NH 3?
A. NH4+
+
B. H
C. N3-
-
D. NH2
Accessibility: Keyboard Navigation
Bloom's Level: 3. Apply
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.12
Subtopic: Acid/Base definitions
Topic: Acids and Bases
7. What can be said about the polarity of the C=O bond?
A. C and O have the same electronegativity; the bond is nonpolar
B. the C=O bond is polar; the O atom bears a partial negative charge
C. the C=O bond is nonpolar; the C atom bears a partial positive charge
D. the C=O bond is polar; the C atom bears a partial negative charge
Accessibility: Keyboard Navigation
Bloom's Level: 2. Understand
Chapter: 01
Difficulty: Medium
Gradable: automatic
Section: 01.04
Subtopic: Bond properties
Subtopic: Types of bonds
Topic: Structure and Bonding
