Per NCERT §2.6.2, what is the shape of an s-orbital, and how many radial NODES does an ns orbital possess?
ASpherical (spherically symmetric); (n − 1) radial nodes
BDumbbell along an axis; no nodes
CCloverleaf; (n + 1) nodes
DPyramidal; n nodes
Answer & Solution
Correct answer: A. Spherical (spherically symmetric); (n − 1) radial nodes
Per NCERT §2.6.2, s orbitals are spherically symmetric. Number of nodes = n − 1 for ns. So 2s has 1, 3s has 2 …
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