Lithium forms body centred cubic structrue. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be
Lithium forms body centred cubic structrue. The length of the side of its unit cell is 351 pm. Atomic radius of the lithium will be
A. 75 pm
B. 300 pm
C. 240 pm
D. 152 pm
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Correct Answer - D
For BCC sturcture, `sqrt(3)a=4r`
`r=(sqrt(3))/(4)a=(sqrt(3))/(4)xx351=152` pm
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