Silver has an atomic radius or 144 pm and the denss1 crystal, slver belongs? the two ions a" and b have radi 88 and 200 pm respectively. in the closed packed cr

Silver has an atOmic radius or 144 pm and the densS1 crystal, slver belongs? The two ions A" and B have radi 88 and 200 pm respectively. In the closed packed crystal of compound AB, predict the co-ordination number ofA" SIlve .0 a stracture having FCCunit cell of an edge 200 nm Calculate the density if 200 ze