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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
Which one of the following elements has the largest atomic radius?
  • A
    $\ce{Mg}$
  • ✓
    $\ce{Cs}$
  • C
    $\ce{Ba}$
  • D
    $\ce{Cr}$
✓

Answer

Correct option: B.
$\ce{Cs}$
Originally Answered : Which element has the largest atomic radius? The element which has the largest atomic radius is Cesium. Atomic Radius is defined as the distance between the center of the nucleus and the outermost shell of an atom. Cesium has $6$ orbital shells, which means that it automatically is big.

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