16. Compare the bond angle by putting ">" or "<" between the following molecules (5 points).
(A) \(\mathrm{OSF}_2\) \(\mathrm{OSCl}_2\) (halogen-S-halogen angle)
(B) \(\mathrm{NH}_3\) \(\mathrm{PH}_3\) (H-N-H angle)
(C) \(\mathrm{H}_2\mathrm{O}\) \(\mathrm{H}_2\mathrm{S}\) (H-O-H angle)
(D) \(\mathrm{PF}_3\) \(\mathrm{PCl}_3\) (X-P-X angle)
(E) \(\mathrm{ClO}_3^-\) \(\mathrm{BrO}_3^-\) \(\mathrm{IO}_3^-\) (O-X-O angle)

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