What does the term coordination number in ionic crystals refer to?

Explanation:

In terms of ionic compound , i.e. , the compound formed by two oppositely charged atom , i.e. , cation and anion ,

The coordination number is basically the number of cations that are surround a particular anion ,

similarly ,

the number of anions surrounding a particular cation gives the coordination number of the ionic crystal .

In both case , the answer will be same .

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all the above is what i would say