Statement-1: In fluorite structure, `r^(+)/r^(-) gt 1`
Statement-2: There are 4 unoccupied octahedral positions in a unit cell of `CaF_2`
Statement-3:There are 4 unoccupied tetrahedral positions in a unit cell of `CaF_2`.
A. T F F
B. T F T
C. F F F
D. T T F
