CBSE Class 12-science Answered
sir explain why tetrahedral voids are twice than octahedral voids?
Asked by amanj | 05 Apr, 2014, 05:16: PM
Expert Answer
If one layer of spheres is kept on a second layer in a cubic closed packed arrangement, then the arrangement is as shown in figure 1 (for tetrahedral hole) giving an arrangement that is twice as shown in figure 2 (for octahedral hole). Therefore, the tetrahedral holes are in double number than the octahedral holes.
If octahedral voids are ‘n’, then the tetrahedral voids are ‘2n’.
Figure 1 Figure 2
Answered by | 07 Apr, 2014, 12:50: PM
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