PUC Karnataka Science Class 12Department of Pre-University Education, Karnataka
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Solution for How Many Atoms Constitute One Unit Cell of a Face-centered Cubic Crystal? - PUC Karnataka Science Class 12 - Chemistry

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Question

How many atoms constitute one unit cell of a face-centered cubic crystal?

Solution

Number of atoms in one face centered cubic unit cell can be determined from the number of atoms contributed from the faces and the corners of the unit cell as: (8 corners x 1/8 atom per corner =8x 1/8  = 1 atom) + (6 faces x 1/2  atom per unit face = 6 x1/2 = 3 atoms).

∴ Total no. of atoms per unit cell = 4 atoms.

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Solution How Many Atoms Constitute One Unit Cell of a Face-centered Cubic Crystal? Concept: Number of Atoms in a Unit Cell.
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