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Question 21096
NEET Chemistry · Medium

Structure of Atom: Electronic order MCQ

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Electronic orderMediumQuestion 21096

Question

The correct filling order among these is:

  1. A
    1s, 2s, 2p, 3s
    Correct
  2. B
    1s, 2p, 2s, 3s
  3. C
    1s, 2s, 3s, 2p
  4. D
    1s, 3s, 2s, 2p

Correct answer

1s, 2s, 2p, 3s

Explanation

This follows increasing orbital energy.

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