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For the question that follows, consider the BEST Lewis structures of the following oxyanions: (i) NO2^- (ii) NO3^- (iii) SO3^2- (v) BrO3^- In which of the ions do all X-O bonds (X indicates the central atom) have the same length? A. none B. all C. (i) and (ii) D. (iii) and (v) E. (iii), (iv), and (v)