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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
$La$ (lanthanum) having atomic number $57$ is a member of
  • A
    $s-$ block elements
  • B
    $p-$ block elements
  • ✓
    $d-$ block elements
  • D
    $f-$ block elements
✓

Answer

Correct option: C.
$d-$ block elements
c

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