In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca2+) and fluoride ion (Fâ) are
4 and 8
4 and 2
6 and 6
8 and 4
Explanation:
Ca2+ is surrounded by 8Fâ
Fâ is surrounded by 4Ca+2
Next Question
If the $E_{cell}^0$ for a given reaction has a negative value, which of the following gives the correct relationships for the values of ΔG0 and Keq?