$\mathrm{BrCl}_{3} \Rightarrow s p^{3} d, \quad$ T-shaped

$\mathrm{NH}_{3} \Rightarrow s p^{3}, \quad$ pyramidal

$\mathrm{NO}_{3}^{-} \Rightarrow s p^{2}, \quad$ trigonal planar

$\mathrm{NF}_{3} \Rightarrow s p^{3}, \quad$ pyramidal

$\mathrm{BF}_{3} \Rightarrow s p^{2}, \quad$ trigonal planar

$\begin{array}{ll}{\mathrm{BF}_{4}{^{-}} \Rightarrow s p^{3},} & {\text { tetrahedral }} \\ {\mathrm{NH}_{4}^{+} \Rightarrow s p^{3},} & {\text { tetrahedral }}\end{array}$