A list of species having the formula XZ4 is given below.
XeF4, SF4, SiF4, BF\(^-_4\), BrF4\(^-_4\),[Cu(NH3)4]2+, [FeCl4]2-,[CoCl4]2- and [PtCl4]2-.
Defining shape on the basis of the location of X and Z atoms, the total number of species having a square planar shape is___
