MCQ
The order of filling of electrons in the orbitals of an atom will be
  • A
    $3d,\,4s,\,4p,\,4d,\,5s$
  • $4s,\,3d,\,4p,\,5s,\,4d$
  • C
    $5s,\,4p,\,3d,\,4d,\,5s$
  • D
    $3d,\,4p,\,4s,\,4d,\,5s$

Answer

Correct option: B.
$4s,\,3d,\,4p,\,5s,\,4d$
b
(b) As per Aufbau principle.

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