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  4. Radial nodes present in 2s and 2p-orbitals are respectively

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Q. Radial nodes present in 2s and 2p-orbitals are respectively

NTA AbhyasNTA Abhyas 2022

Solution:

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