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  4. Radial nodes present in 3s and 3p-orbitals are respectively

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Q. Radial nodes present in 3s and 3p-orbitals are respectively

NTA AbhyasNTA Abhyas 2022

Solution:

Number of radial nodes $=\left(\right.n-l-1\left.\right)$
For $3s,$ $n=3,l=0$
(Number of radial node $=3-0-1=2$ )
For $3p,$
$n=3,l=1$
(Number of radial node $=3-1-1=1$ )