Question

Total number of tetrahedral voids present per unit cell of ccp lattice is
4
8

16

12​

Answer 1

Answer:

total number of tetrahedral voids present per unit cell of ccp lattice is =4

Explanation:

hope it helps you

Answer 2

Total number of tetrahedral voids present per unit cell of ccp lattice is 8

Correct answer is not given in the option

Explanation:

• In crystals there are spaces that are left behind and they are of two more types: tetrahedral and octahedral.
• In the tetrahedral void, it is surrounded by the four spheres which occupy the corners of the tetrahedron and is thus called the tetrahedral void.
• In the tetrahedral voids=2N
• where N is the number of particles.
• In the octahedral voids, it is surrounded by six spheres and is called the octahedral void.
• the number of octahedral voids= N
• where N is the number of particles.
• = $8$×$\frac{1}{8}$ +$6$×$\frac{1}{2}$ =4
• Here eight are the number of corners and six are the number of spheres.
• Here the number of particles is further equal to the octahedral voids and that is four.
• tetrahedral voids are =2N
• so $2$×$4$=8
• The number of tetrahedral voids is present per unit cell of ccp lattice is eight

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