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Grade 12Inorganic Chemistry

Lithium forms body centerd cubic structure.The length of the side of its unit cell is 351 pm.atomic radius of lithium will be (a)300pm(b)240pm(c)152pm(d)75pm

Profile image of Brajesh
9 Years agoGrade 12
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1 Answer

Profile image of Vikas TU
9 Years ago
In BCC lattice,
the relation b.w the radii of atoma nd the length of the cell would be=> 
root(3)*a/2 = 2r
radius => root(3)*a/4 => 351*root(3)/4 = 151.8 pm that is approximately 152 pm.

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