1.

If `Z` is the number of atoms in the unit cell that represent the closed packing sequence `---ABCAB---` the number of terrahedral in the unit cell is equal toA. `Z`B. `2Z`C. `Z//2`D. `Z//4`

Answer» Correct Answer - b
Number of terthedral voids in the unit cell
`= 2 xx` number of atoms `= 2Z`


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