Question

What is the number of atoms in a unit cell of a face-centred cubic crystal?​

Answer 1

The number of atoms in a unit cell of fcc-crysta! is 4 atoms.

Answer 2

Answer:

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The face-centered cubic (fcc) has a coordination number of 12 and contains 4 atoms per unit cell. The body-centered cubic (bcc) has a coordination number of 8 and contains 2 atoms per unit cell.