Which of the following is a correct Lewis structure for sulfur dioxide, $\mathrm{SO}_{2}$ ? A. \mathrm{O}=\mathrm{S}-\mathrm{O} B. \mathrm{O}-\mathrm{S}=\mathrm{O} C. \mathrm{O}=\mathrm{S}=\mathrm{O} D. \mathrm{O}-\mathrm{S}-\mathrm{O}
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Answer

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Step 1
I'll solve this step by step, focusing on drawing the correct Lewis structure for sulfur dioxide (\mathrm{SO}_{2}).

Step 2
: Determine the total number of valence electrons

- Total valence electrons: $$6 + (6 \times 2) = 18$$ electrons
- Sulfur (S): 6 valence electrons - Oxygen (O): 6 valence electrons × 2 atoms

Final Answer

C (\mathrm{O}=\mathrm{S}=\mathrm{O}) is the correct Lewis structure for sulfur dioxide.