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Periodic Classification of Elements — Science STD 10 — Question

CBSE BoardEnglish MediumSTD 10SciencePeriodic Classification of Elements1 Mark
MCQ
Chlorine $(17)$ belongs to which group and period :
  • A
    $7, 3$
  • ✓
    $17, 3$
  • C
    $1, 3$
  • D
    $16, 3$
✓

Answer

Correct option: B.
$17, 3$

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