In which of the following pairs of structures are tetrahedral as well as octahedral voids
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The question is incomplete because the options are not been given. So, I am giving a general answer assuming it is like a similar question from another website.
The correct answer is - HCP and CCP.
HCP, also known as Hexagonal Close-Packed Crystal Structure and CCP, also known as the cubic closed packed structure are both considered to be FCC or Face-Centred Cubic structures. They both have closely packed particles.
These structures have a high packing efficiency than the other crystal structures like the BCC or the Body Centered Cubic and the other simple cubic structures.
The HCP and the CCP crystal structures are having two types of voids which are called as tetrahedral voids and as the octahedral voids. Both these voids are identical in these crystal structures as the voids are formed in between the 2 layers of atoms.
The correct answer is - HCP and CCP.
HCP, also known as Hexagonal Close-Packed Crystal Structure and CCP, also known as the cubic closed packed structure are both considered to be FCC or Face-Centred Cubic structures. They both have closely packed particles.
These structures have a high packing efficiency than the other crystal structures like the BCC or the Body Centered Cubic and the other simple cubic structures.
The HCP and the CCP crystal structures are having two types of voids which are called as tetrahedral voids and as the octahedral voids. Both these voids are identical in these crystal structures as the voids are formed in between the 2 layers of atoms.
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Answer - HCP and BCC
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These structures have a high packing efficiency than the other crystal structures like the BCC or the Body Centered Cubic and the other simple cubic structures.
The HCP and the CCP crystal structures are having two types of voids which are called as tetrahedral voids
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. Both these voids are identical in these crystal structures as the voids are formed in between the 2 layers of atoms.
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