Question

at room temperature, iron crystalline in a body centered cubic structure.How many atoms are associated with its unit cell?

Answer 1

=> BCC have 8 atoms at Corner and one at Centre.

=> But only 1/8 part of single atom is accosiated with unit cell. (only for those atoms which lies at corner)

=> So, total no. of atoms = 8×1/8 + 1 = 2

=> Your answer is 2.

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