Question

what is ccp in chemistry?

Answer 1

Answer-

⭐When octahedral voids of the second layer are covered by the spheres of the third layer.

⭐ In this case, the spheres of the third layer are are not aligned with those of either the first or the second layer. This pattern of layers is often written as ABCABC

This type of packing is called cubic close packing (ccp) or face-centred cubic (fcc) close packing.