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NEET Sample Paper NEET Sample Test Paper-57

  • question_answer
    If 'Z' is the number of atoms in the unit cell that represents the closest packing sequence... ABC ABC ...... the number of tetrahedral voids in the unit cell is equal to:

    A) Z                                 

    B) 2Z     

    C) Z/2                               

    D) Z/4

    Correct Answer: B

    Solution :

    [b] 2z No. of tetrahedral voids\[=\text{ }2\times No\]. of atoms in the packing \[=2\times z=2z\]


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