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Examples of Ionic Compounds

If atoms are ...

Question

If atoms are present on each of face centre, each corner and in body centre of a unit cell then, what will be the number of atoms present in that unit cell?

A

7

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B

4

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C

6

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D

5

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Solution

The correct option is D
5

corners = 8 x (1/8) = 1, body centre = 1 and face centre = 6 x (1/2) = 3

Total = 1+ 1 + 3 = 5

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