Which of the following orbitals have the maximum number of radial nodes?
A
4s
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B
4p
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C
3d
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D
4d
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Solution
The correct option is A 4s Total number of radial nodes =n−l−1
where n = principal quantum number l = azimuthal quantum number
For 4s=4−0−1=3
For 4p=4−1−1=2
For 3d=3−2−1=0 and
For 4d=4−2−1=1