1.
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Which of the following Lewis symbols for an element is incorrect?
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2.
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Which of the following is the correct Lewis structure of calcium bromide?
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3.
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Which of the following Lewis structures is incorrect?
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4.
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Which of the following is the most polar bond?
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5.
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Which of the following Lewis structures is incorrect?
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6.
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How many groups of electrons are around the central atom in PBr3?
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7.
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In which of the following structures is the electron-group geometry different from the molecular geometry?
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8.
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Which of the following is not paired correctly with its molecular geometry?
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9.
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Although VSEPR usually is used to predict bond angles, it can be used to predict relative bond distances (or bond lengths). In the molecule PCl5, the five P-Cl bond lengths are not the same. Which one(s) would you expect to be longer, which one(s) shorter, and why?
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10.
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Which of the following species has a pyramidal structure?
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