Q)
The ZnS Structure is cubic. The unit cell be described as a face-centered sulphide ion sub- lattice with Zinc ions in the centers of alternating minicubes made by part on the main cube into eight equal parts.d) What minimum $\large\frac{r_+}{r_-}$ ratio is needed to avoid anion-anion contact? Closest cation-anion is assumed to touch.
1 Answer
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