`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 isA. `4` and `2`B. `9` and `14`C. `14` and `9`D. `2` and `4`

`Na` and `Mg` crystallize in bcc- and fcc-type crystals, respectively,

1.	`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 isA. `4` and `2`B. `9` and `14`C. `14` and `9`D. `2` and `4`
Answer» Correct Answer - d number of unit cell in bcc is `2` and in fcc is `4` .

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`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 isA. `4` and `2`B. `9` and `14`C. `14` and `9`D. `2` and `4`

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