Chemistryhard · Past Paper
What is the total number of orbitals in the n=3 shell?
A3
B6
C9
D18
✓ Correct Answer: C — 9
The number of orbitals in a shell is n^2. For n=3, 3^2 = 9 orbitals (one 3s, three 3p, and five 3d).
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