Chapter 8, Problem 24QP

Write the Lewis dot symbols of the reactants and products in the following reactions. (First balance the equations.)

$\begin{array}{l}\left(\text{a}\right)\hfill \\ \text{Sr + Se }\underset{}{\to }\text{ SrSe}\hfill \\ \left(\text{b}\right)\hfill \\ {\text{Ca + H}}_{\text{2}}\underset{}{\to }{\text{ CaH}}_{\text{2}}\hfill \\ \left(\text{C}\right)\hfill \\ {\text{Li + N}}_{\text{2}}\underset{}{\to }{\text{ Li}}_{\text{3}}\text{N}\hfill \\ \left(\text{d}\right)\hfill \\ \text{Al + S }\underset{\text{n}}{\to }{\text{ AI}}_{\text{2}}{\text{S}}_{\text{3}}\hfill \end{array}$