Chemistry - Solid State Question with Solution | TestHub

ChemistrySolid StateMiscellaneous/MixedEasy2 minPYQ_2020

ChemistryEasysingle choice

How many number of atoms are there in a cube based unit cell having one atom on each corner and two atoms on each body diagonal of cube?

Options:

Answer:

Solution:

There are four body diagonals. Atoms on the body diagonals are not shared by any other unit cell.

Contribution by atoms on corners $= 8 \times \frac{1}{8} = 1$

Contribution by atoms on body diagonal = 2 x 4 = 8

$∴$ Total number of atoms = 1 + 8 = 9.

Stream:NTA_ABHYAS_NEETSubject:ChemistryTopic:Solid StateSubtopic:Miscellaneous/Mixed

⏱ 2mℹ️ Source: PYQ_2020

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