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  4. The number of angular nodes and radial nodes in 3s orbital are

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Q. The number of angular nodes and radial nodes in $3s$ orbital are

NEETNEET 2020Structure of Atom

Solution:

No. of angular nodes = $\ell$
No. of Radial nodes $=n-\ell-1$
For $3s ; n=3$ and $\ell=0$
$\therefore $ No. of angular nodes = 0
$\therefore $ No. of radial nodes = 2