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NEET Sample Paper NEET Sample Test Paper-36

  • question_answer
    Lithium metal crystallizes in a body-centred cubic crystal. If the length of the side of the unit cell if lithium is 351 pm, the atomic radius of the lithium will be

    A)  300.5 pm-    

    B)  240.8 pm

    C)  151.8 pm    

    D)  75.5 pm

    Correct Answer: C

    Solution :

     For bcc \[r=\frac{\sqrt{3}a}{4}=\frac{\sqrt{3}}{4}\times 351=151.98\,pm\]


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