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

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry3. Classification of elements and periodicity in properties1 Mark
MCQ
An element $X$ belongs to group $16$ and $5^{th}$ period. Its atomic number is
  • A
    $34$
  • B
    $50$
  • ✓
    $52$
  • D
    $85$
✓

Answer

Correct option: C.
$52$
c

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