Coordination number is also called as Ligancy. It is the number of atoms, ions, or molecules that a central atom or ion holds as its nearest neighbours in a complex or coordination compound or in a crystal. In chemistry and crystallography, the coordination number describes the number of neighbor atoms with respect to a central atom. The value of the coordination number is determined differently for crystals and molecules. The value depends on the relative sizes of the central atom and ligands and by the charge from the electronic configuration of an ion. The coordination number can vary from as low as 2 to as high as 16. For molecules and polyatomic ions the coordination number of an atom is determined by simply counting the other atoms to which it is bonded
Edelweiss Chemical Science Journal corresponds with many branches of science like organic chemistry, inorganic chemistry, physical chemistry, pharmaceutical chemistry, analytical chemistry, applied chemistry, biochemistry, chemical biology and many more that aims to publish most complete and reliable source of information on the findings and current developments in the form of original Research, Review, Opinion articles, Case reports, Mini review, Short communication. This Journal provides an open access platform for the young scientists and researchers from all over the globe to share their valuable information regarding the chemical science.