NEET UG CHEMISTRY MCQ: CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES

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An element has a face centred cubic (fcc) structure with a unit cell edge length of 200 pm. The atomic radius is

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Correct option: A

\frac{{100}}{{\sqrt 2 }}\,\,\mathrm{pm}

Option A (

\frac{{100}}{{\sqrt 2 }}\,\mathrm{pm}

) is correct because in an fcc structure,

4r = a\sqrt{2}

, where a is the edge length and r is the atomic radius.

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