Structure of Atom · JEE Preparation Chemistry

The total number of orbitals associated with the principal quantum number n = 4 is:

Practice question from Structure of Atom (JEE Preparation Chemistry), with the correct answer and a step-by-step solution.

easy · MCQ · Q-1EEC9F

The total number of orbitals associated with the principal quantum number n=4n = 4 is:

  1. A.4
  2. B.8
  3. C.16Correct answer
  4. D.32

Solution

The total number of orbitals in a given principal shell nn is given by n2n^2. For n=4n = 4, total orbitals = 42=164^2 = 16.

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