__________is the co-ordination number of the complex having tetrahedral geometry.

_________was the first to formulate his ideas about the structure of co-ordination compounds.

In an octahedral complex of formula [Ma3 b3] if the three donar atoms of the some ligands occupy adjacent positions at the corners of an octahedral face, then it is known as _____________isomer.

Ligands which can ligate through two different atoms is called __________ ligands.

The splitting of degenerate levels due to the presence of ligands in a definite geometry is termed as ___________ splitting.

________ is a co-ordination compounds of magnesium.

The spatial arrangement of the ligand atoms which are directly attached to the central atom or ion defines ___________ about the central atom.

The metal atom or ion to which the ligands are bonded is called the

_____________ isomerism arises in a co-ordination compound containing ambidentate ligand.

When a di- or polydentate ligand uses its two or more donor atoms to bind a single metal ion, it is said to be a _________ligand.