Question

Copper has face centered cubic (fcc) lattice with interatomic spacing equal to 2.54Å. The value of the lattice constant for this lattice is

(a) 1.27 Å

(b) 5.08 Å

(c) 2.54 Å   

(d) 3.59 Å

Answer

(d) 3.59 Å

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