How many orbitals are there in a d subshell?

Answer and explanation

Correct answer: C. 5

  1. Step 1: For any subshell, the number of degenerate orbitals is determined by , where is the azimuthal (orbital angular momentum) quantum number.
  2. Step 2: A d subshell corresponds to .
  3. Step 3: Calculate the number of orbitals: (corresponding to magnetic quantum numbers ).
Answer
5.
Why not the others: 1 is the number of orbitals in an s subshell (); 3 is the number of orbitals in a p subshell (); 7 is the number of orbitals in an f subshell ().

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