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| 1. |
what is co-ordination number? |
| Answer» The coordination number of an atom in a molecule is the number of atoms bonded to the atom. In chemistry and crystallography, the coordination number describes the number of neighbor atoms with respect to a central atom. The term was originally defined in 1893 by Alfred Werner. The value of the coordination number is determined differently for crystals and molecules. The coordination number can vary from as low as 2 to as high as 16 | |