Question

What is the number of atoms in face centred cube?Select the proper choice from the given multiple choices.
(A) 2
(B) 1
(C) 4
(D) 6

Answer 1

HEY MATE ⭐⭐⭐
HERE'S THE ANSWER ✌
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Face-centred cubic unit cell (F.C.C): A unit cell contains one constituent particle present at the centre of each face, along with eight particles at its corners.

No.of atoms present in this unit cell = (8 x 1/8) + (6 x ½) = 1 + 3 = 4

(Each Corner atom contributes 1/8th portion to the unit cell)

( Each face centered atom contributes ½ portion to the unit cell).

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