1.
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Which of the following is the correct Lewis structure of sulfur dichloride?
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2.
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Ethene is a highly flammable gas with the formula C2H4. Which of the following is the correct Lewis structure of ethene?
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3.
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Which of the following is the correct Lewis structure of ClO2-?
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4.
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Use Table 11-2 in the text to estimate the I-F bond length.
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5.
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What are the formal charges of the atoms in the thiocyanate ion? The thiocyanate ion is: 
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6.
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Which of the following is not a resonance structure of N2O4?
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7.
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Which of the following is not paired correctly with its molecular geometry?
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8.
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Which of the following molecules is nonpolar?
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9.
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Which of the following would be properly classified as a set of covalent molecules?
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10.
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Choose the correct statement about the compound SO2.
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