The hexagonal unit cell of the hexagonal close packing can be divided into three equivalent smaller unit cells with one common edge between all of them. Which of the following statements(s) is/are cor

Question

The hexagonal unit cell of the hexagonal close packing can be divided into three equivalent smaller unit cells with one common edge between all of them. Which of the following statements(s) is/are correct about these small unit cells?

TestHub · Accepted Answer

(B) There are toal 12 tetrahedral voids in 1 hexagonal unit cell. Hence in each equal unit cell, tetradral voids $= \frac{12}{3} = 4$ .

(C) Packing fraction remains same, i.e $74%$

(D) In original hcp also, no atom lie completely in unit cell. So here also, it will be the same case.

Chemistry - Solid State Question with Solution | TestHub

Options:(select one or more)

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