Textbook Problem

Draw the Lewis structure for each of the following molecules or ions. Indicate the number and spatial orientation of the electron pairs around the boldface atom in each formula. Predict the simple geometric structure of each molecule or ion, and indicate the approximate bond angles around the boldface mum.

msp;  $\begin{array}{l}\text{a}.{\text{ H}}_{\text{2}}\text{O} \text{d}.{\text{ Cl}}_{\text{4}}{}^{-}\\ \text{b}.{\text{ PH}}_{\text{3}} \text{e}.{\text{ BF}}_{\text{3}}\\ \text{c}.{\text{ CBr}}_{\text{4}} \text{f}.{\text{ BeF}}_{\text{2}}\end{array}$