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2. structure of atom — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
If $n = 6,$ the correct sequence for filling of electrons will be
  • ✓
    $ns \rightarrow (n - 2)f \rightarrow (n - 1)d \rightarrow np$
  • B
    $ns \rightarrow (n - 1)d \rightarrow (n - 2)f \rightarrow np$
  • C
    $ns \rightarrow (n - 2)f \rightarrow np \rightarrow (n - 1)d$
  • D
    $ns \rightarrow np(n - 1)d \rightarrow (n - 2)f$
✓

Answer

Correct option: A.
$ns \rightarrow (n - 2)f \rightarrow (n - 1)d \rightarrow np$
a
$6 s \rightarrow 4 f \rightarrow 5 d \rightarrow 6 p\;\; f o r\; n=6$

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