(A) Hybridization involving $s$,$p$,and $d$ orbitals is summarized in the table below:
| Hybridization Type | Shape and Bond Angle | Atomic Orbitals | Examples (Molecules/Ions) |
| :--- | :--- | :--- | :--- |
| $dsp^2$ ($d$ is $d_{x^2-y^2}$) | Square planar,$90^{\circ}$ | $d + s + 2p$ | $[Ni(CN)_4]^{2-}$,$[Pt(Cl)_4]^{2-}$ |
| $sp^3d$ ($d$ is $d_{z^2}$) | Trigonal bipyramidal,$90^{\circ}, 120^{\circ}$ | $s + 3p + d$ | $PF_5$,$PCl_5$ |
| $dsp^3$ ($d$ is $d_{z^2}$) | Square pyramidal,$90^{\circ}$ | $d + s + 3p$ | $BrF_5$,$XeOF_4$,$IF_5$ |
| $sp^3d^2$ or $d^2sp^3$ ($d$ are $d_{x^2-y^2}$ and $d_{z^2}$) | Octahedral,$90^{\circ}$ | $s + 3p + 2d$ | $SF_6$,$[CrF_6]^{3-}$,$[Co(NH_3)_6]^{3+}$ |