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)