Chapter 7, Problem 7.67SP

Draw electron-dot structures for the following molecules,which contain atoms from the third row or lower.
(a) ${\text{SbCl}}_{\text{3}}$  (b) ${\text{KrF}}_{\text{2}}$  (c) ${\text{ClO}}_{\text{2}}$
(d) ${\text{PF}}_{\text{5}}$  (e) ${\text{H}}_{\text{3}}{\text{PO}}_{\text{4}}$  (f) ${\text{SeCl}}_{\text{2}}$