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Multiple choice

Which of the following is a correct form of electronic configuration of an element?

  1. 8, 2, 2, 8

  2. 2, 8, 2, 8

  3. 2, 8, 8, 2

  4. 8, 8, 2, 2

  5. 8, 2, 8, 2

Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

Until inner shells are completely filled, electrons are not accommodated in a given shell. Valence shell cannot have more than 8 electrons.

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