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3. Classification of elements and periodicity in properties — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
The heaviest atom amongst the following is
  • ✓
    $U$
  • B
    $Ra$
  • C
    $Pb$
  • D
    $Hg$
✓

Answer

Correct option: A.
$U$
a
$(a)$ $U > Ra > Pb > Hg$

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