Chapter 8, Problem 125QP

Classify each of the following substances according to the type of bonding.

$\begin{array}{l}\text{(a)}\text{HCN}\\ \text{(b)}{\text{AuCl}}_{\text{3}}\\ \text{(c)}{\text{P}}_{\text{4}}\\ \text{(d)}{\text{SO}}_{\text{2}}\\ \text{(e)}{\text{MnCl}}_{\text{2}}\end{array}$