$xe{F}_3^{-}$

Calculate Bond Pairs $($BP$.$s$)1$ mark

Calculate Lone Pairs $($LP$.$s$)1$ mark

Draw Lewis Structure $1$ mark

VSEPR Notation $0\mathrm{.}5$ mark

Predict of then molecular Shape $0\mathrm{.}5$ mark

Polarity $0\mathrm{.}5$ mark

Provide the reason and justify$\_$your answer for the polarity $0\mathrm{.}5$ mark