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
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
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