Textbook Problem

For each of the following molecules. predict both the molecular structure and bond angles around the central atom.

msp;  $\begin{array}{l}\text{a}.{\text{ SeS}}_{\text{2}} \text{c}.{\text{ SO}}_{\text{2}}\\ \text{b}.{\text{ SeS}}_{\text{3}} \text{d}.{\text{ CS}}_{\text{2}}\end{array}$