For me the answer is E. It is composed of one Ru2+ ion and two F- ions.
True because evryone reacts a different way
crop rotation, green manure, and bone meal
Explanation:
I just looked it up. hope it helps
Y : CCP : 4 atoms
X : tetrahedral voids would be 1/3 × 8 = 8/3
so formula would be Y12X8 or Y3X2 !!
Gasoline would be a mixture if I recalled