In an ionic solid `r_((+))=1.6A` and `r_((-))=1.864A`. Use the radius ratio to determine the edge length of the cubic unit cell in `A`.

In an ionic solid r_((+)) = 1.6 Å and r_((-)) = 1.864 Å . Use the radius ratio rule to determine the edge length of the cubic unit cell in Å

In an ionic solid r_(c)=1.6Å and r_(a)=1.86Å . Find edge length of cubic unit cell Å

In face centred cubic unit cell edge length is

In face centred cubic unit cell edge length is

In a face- centred cubic unit cell, the edge length is