The correct statement (s) for cubic clos...

The correct statement (s) for cubic close packed (ccp) three dimensional structure is (are)

The number of the nearest neighbours of an atom present in the top most layer is 12.

The efficiency of atom packing is 74%

The number of octahedral and tetrahedral voids per atom are 1 and 2, respectively.

The unit cell edge length is `2sqrt(2)` times the radius of the atom.

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The correct Answer is:

B, C, D

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