In the fluorite structure, the coordination number of cation is:

In the fluorite structure the coordination number of Ca^(2+) ion is

In calcium fluoride, having the fluorite structure, the coordination number for calcium ion (Ca^(2+)) and fluoride ion (F^(-)) are-

In calcium fluoride, having the fluorite structure the coordination number of Ca^(2+) on and F^(-) ion are

In fluorite structure C0ordination number of cations is

Which of the following given statement(s) is/are correct for both fluorite and antifluorite structures? (i) coordination number of cation is 8 (ii) Number of formula unit is one unit cell is 4 (iii) 100% tetrahedral voids are occupied (iv) Radius ratio of cation and anion is 0.20