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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
Element having atomic number $17$ is placed in
  • A
    $I$-group
  • B
    $V$-group
  • C
    $VIII$-group
  • ✓
    $VII$-group
✓

Answer

Correct option: D.
$VII$-group
d
$(d)$ $17 - 1{s^2}2{s^2}2{p^6}3{s^2}3{p^5}$.

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