Chemistry - CHEMICAL BONDING Question with Solution | TestHub

How many of the following species have$\mathrm{s}{\mathrm{p}}^2$hybrid atoms?
Diamond, Graphite,${\text{C}}_{\text{6O}}\text{,}{{\text{(SiH}}_{\text{3}}\text{)}}_{\text{3}}\text{N,}{\text{AlCl}}_{\text{3}}\text{,}{\text{Al}}_{\text{2}}{{\text{(CH}}_{\text{3}}\text{)}}_{\text{6}}\text{,}\text{SiC,}{\text{H}}_{\text{3}}{\text{BO}}_{\text{3}}\text{,}$
layered$\mathrm{B}\mathrm{N}$, borazine.