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Each edge of a cubic unit cell is 400pm...

Each edge of a cubic unit cell is 400pm long. If atomic mass of the elements is 120 and its desity is `6.25g//cm^(2)`, the crystal lattice is: `(use N_(A)=6 xx 10^(23))`

A

primitive

B

body centered

C

face centered

D

end centered

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The correct Answer is:
B
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