Chemistry - Solid State Question with Solution | TestHub

In HCP structure for each atom one octahedral void and two tetrahedral voids will be present. No. Of atoms $=0.25\times {\mathrm{N}}_{\mathrm{A}}=0.25\times 6.022\times 10^{23}$ No. of octahedral voids $=0.25{\mathrm{N}}_{\mathrm{A}}$ $=1.5\times 10^{23}$ No. of tetrahedral voids $=2\times 0.25\times {\mathrm{N}}_{\mathrm{A}}$ $=3.011\times 10^{23}$