Question
A list of species having the formula XZ4 is given below SiF4,SF4,XeF4,BrF−4,BF−4,[Cu(NH3)4]2+,[FeCl4]−,[Ni(CO)4] and [PtCl4]2−. Defining shape on the basis of the location of X and Z atoms, the total number of species having a tetrahedral shape is