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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
How many elements are placed in lanthanide and actinide series?
  • A
    $57, 89$
  • ✓
    $14, 14$
  • C
    $89, 57$
  • D
    $14, 16$
✓

Answer

Correct option: B.
$14, 14$

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