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Structure of Atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistryStructure of Atom1 Mark
MCQ
Number of angular nodes for $4d$ orbital is $ ...........$
  • A
    $4.$
  • B
    $3$
  • ✓
    $2.$
  • D
    $1.$
✓

Answer

Correct option: C.
$2.$
Number of radial nodes in any orbital $= (n - l - 1)$
$= (4 - 2 - 1) = 1$
Total number of nodes $= ( n - 1 )$
$= (4 - 1) = 3$
So angular node $=$ total node $-$ radial node
$= (3 - 1) = 2.$

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