In CaF2 unit cell, the coordination number of F- ion is

In CaF2, Ca +2 has coordination number=8 because each Ca2+ is surrounded by 8 F- whereas the coordination number of F- is 4 because it is surrounded by four Ca2+ ion.

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In CaF₂ unit cell, the coordination number of F^- ion is

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answer is 4.

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Detailed Solution

In CaF₂, Ca⁺² has coordination number=8 because each Ca²⁺ is surrounded by 8 F^- whereas the coordination number of F^- is 4 because it is surrounded by four Ca²⁺ ion.

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