3, two isomers are doable - a facial isomer (fac) where Just about every set of a few similar ligands occupies just one confront on the octahedron bordering the steel atom, in order that any two of such a few ligands are mutually cis, plus a meridional isomer (mer) wherein https://fusion-die-sets03695.yomoblog.com/27983551/how-dice-picture-can-save-you-time-stress-and-money