Grade 11Physical Chemistry
How to solve this Where the no. Of tetrahedral voids in a unit cell of cubic close packed structure.
How to solve this
Where the no. Of tetrahedral voids in a unit cell of cubic close packed structure.
2 Answers
Arun
Tobe pre ise if in CCP there are n atoms then number of octahedral and tetrahedral voids will be n and 2n respectively.
Apurva Sharma
In ccp or hcp if there are (n) no of atoms/ions then the no of octahedral voids= n
No. Of tetrahedral voids= 2n
Thus in ccp, no. Of atoms= 4
Thus, no. Of octahedral voids= 4 and
No. Of tetrahedral voids= 2(4) = 8 voids
Thus total voids per unit cell in ccp= 4+8= 12
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