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In an LiI crystal, I^(ɵ) ions from a cub...

In an `LiI` crystal, `I^(ɵ)` ions from a cubical close-packed arrangement, a nd `Li^(o+)` ion occupy octahedral holes. What is the relationship between the edge length of the unit cells and radii of the `I^(ɵ)` ions if `a = 60` "pm".

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To find the relationship between the edge length of the unit cell (a) and the radius of the iodide ions (r_I) in an LiI crystal, we can follow these steps: ### Step-by-Step Solution: 1. **Understanding the Structure**: - In LiI, the iodide ions (I^-) form a face-centered cubic (FCC) arrangement. - Lithium ions (Li^+) occupy the octahedral holes in this structure. ...
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