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The radial distribution curve of 2s sub...

The radial distribution curve of ` 2s` sub-level consists of `x` nodes. Value of `x` is :

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The correct Answer is:
1
`n=4`
`l=0, 1, 2, 3`
`s, p, d, f`
So, number of orbitals `=s=1, p=3, d=5, f=7`
Number of elements `=1xx3+3xx3+5xx3+7xx3=48`
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