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Thallium chloridde, TlCl crystallized in...

Thallium chloridde, `TlCl` crystallized in either a simple cubic lattice or a face `-` centred cubic lattice of `Cl^(c-)` ions with `Tl^(+)` ions in the holes. If the density of the solid is with `Tl^(+)` ions in the holes. If the density of the solide is `9.00g cm^(-3)` and edge of the unit cell is `3.85xx10^(-8) cm`, what is the unit cell geometry ?

Text Solution

Verified by Experts

Density `=("Formula mass" xxz)/(Av. no . Xx"Volume")`
`:. 9=(240xxz)/(6.023xx10^(23)xx(3.85xx10^(-8))^(3))`
`:. Z=1.288`
Thus, `TlCl` is a cubic cell.
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