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Na and Mg crystallize in bcc- and fcc-ty...

`Na` and `Mg` crystallize in bcc- and fcc-type crystals, respectively, then the number of atoms of `Na` and `Mg` present in the unit cell of their respective crystal is

A

`4` and `2`

B

`9` and `14`

C

`14` and `9`

D

`2` and `4`

Text Solution

Verified by Experts

The correct Answer is:
D
number of unit cell in bcc is `2` and in fcc is `4` .
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A2Z-SOLID STATE-Section D - Chapter End Test
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