2. All classification of space symmetry groups is conventional and accepted out of convenience. Show how : a) fcc cubic structure can be described as a primitive (not centered) lattice. b) bcc cubic structure can be described as a primitive (not centered) lattice.

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Crystallography

Crystallography is the category of science that focuses on the atomic and molecular arrangements with their bonding constituting the crystal structure. It is derived experimentally and originated in the year 1912. It is a combination of two words; those are crystal, meaning a cold drop, and graph, meaning writing.