When identical particles pack in a simple cubic lattice, there is/are ____ particle(s) per unit cell?

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29-04-2018
Chemistry

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When identical particles pack in a simple cubic lattice, there is/are ____ particle(s) per unit cell?

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transitionstate transitionstate · Answer 1 · 2018-05-09T11:51:17+02:00

Answer:
When identical particles pack in a simple cubic lattice, there is ONE particle per unit cell.

Explanation:
As we know that simple cube has eight corners and each particle at every corner is shared by eight cubic crystals. So it means that only eighth part of a particle is present at one corner of each cube. Therefore, each corner contain 1/8 particle, then all corners will contain 1/8 × 8 = 1 particle.