MCQ
Which of the following sequence is correct as per Aufbau principle
  • A
    $3s < 3d < 4s < 4p$
  • $1s < 2p < 4s < 3d$
  • C
    $2s < 5s < 4p < 5d$
  • D
    $2s < 2p < 3d < 3p$

Answer

Correct option: B.
$1s < 2p < 4s < 3d$
b
(b) According to Aufbau principle.

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