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Grade: 12
        
What is the co-ordination number of calcium ion and fluoride ion in calcium fluoride respectively? CaF2
2 years ago

Answers : (1)

Avinash
askIITians Faculty
1246 Points
							Simple ionic structures are described by two coordination numbers, one for each type of ion. Calcium fluoride (CaF2) is an (8, 4) structure, meaning that each cation Ca2+ is surrounded by eight F− anion neighbors, and each anion F− by four Ca2+.
So coordination number of Ca+2 and F- ion in CaF2 crystal are 8 and 4 resp.
2 years ago
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