Question

The pattern of successive layers of ccp arrangement can be designated as:

• A. AB AB AB
• B. AB ABC AB ABC
• C. ABC ABC ABC
• D. AB BA AB BA

Answer 1

Answer: (C)

ABC ABC ABC

The pattern of successive layers of cubic close packing (ccp) arrangement can be designated as ABC ABC ABC.

Simple cubic arrangement can be designated as AAAAAA.

Hexagonal close packing (hcp) arrangement can be designated as ABABAB.

Hence, the correct option is $\text{C}$