MEDIUMMCQ SINGLEJEE Mains ChemistryPhysical ChemistryAtomic StructureIntro

[Haryana PMT 2009] The number of radial nodes of 3s and 2p-orbitals are respectively

0.2, 0

1.0, 2

2.1, 2

3.2, 1

Explanation

Radial nodes = n − l − 1. For 3s (n=3, l=0): nodes = 3−0−1 = 2. For 2p (n=2, l=1): nodes = 2−1−1 = 0.

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