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The spinel structure (AB(2)O(4) consists...

The spinel structure `(AB_(2)O_(4)` consists of an fcc array of `O^(2-)` ions in which the:

A

A caption occupies one-eighth of the tetrahedral holes and B cation occupies one-half of octahedral holes

B

A cation occupies one-fourth of the tetrahedral holes and the B cations the octahedral holes.

C

A cation occupies one-eighth of the octahedral hole and the B cations the tetrahedral holes.

D

A cation occupies one-fourth of the octahedral holes and B cations the tetrahedral holes.

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  2. In a multi layered close-packed structures.

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  8. What is the packing fraction close packed cylinders?

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  9. In the closest packing of atoms

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  10. Correct statement for ccp is:

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