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The radius of the metal atom can be expr...

The radius of the metal atom can be expressed in terms of the length of a unit cell is `:`

A

it is `a//2` for simple cubic lattice

B

it is `(sqrt(3)a//4)` for b.c.c. lattice

C

it is `(a//2sqrt(2))` for F.C.C. lattice

D

All of the above

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