Question

what is the co-ordination number

Answer 1

Coordination number, also called Ligancy, 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.

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Answer 2

Answer:

Co-ordination Number:

→ The number of atoms or ions directly surrounding a central atom in a complex or crystal lattice.

→The face-centered cubic (fcc) has a coordination number of 12.

→ The body-centered cubic (bcc) has a coordination number of 8.