$\mathrm{BrF}_5-\mathrm{sp}^3 \mathrm{~d}^2$ hybridization
$\left[\mathrm{PtCl}_4\right]^{-2}-\mathrm{dsp}^2$ hybridization
$\mathrm{SF}_6-\mathrm{sp}^3 \mathrm{~d}^2$ hybridization
(પરમાણુ ક્રમાંક : $Ni = 28$)
(પ.ક્ર.: $Mn\, = 25, Co\, = 27, Ni\, = 28, Zn\, = 30$)