EASYMCQ SINGLEIChO (Chemistry Olympiad)Physical ChemistryAtomic StructureIntro
[CBSE AIPMT 2011] The total number of atomic orbitals in the fourth energy level of an atom is
0.4
1.8
2.16
3.32
Explanation
Total orbitals in nth energy level = n². For n=4: 4² = 16 orbitals (4s=1, 4p=3, 4d=5, 4f=7 → total=16).
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