The graph for an orbital between |varphi...

The graph for an orbital between `|varphi|^(2)` and r(radial distance) is shown below. The sum of principle quantum number, azimuthal, quantum number and magnetic quantum number of this orbital is ____________.

A

1s orbital

B

3s orbital

C

2p orbital

D

2s orbital

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The correct Answer is:

D

By the graph since `Psi^2` is not zero at r = 0 it must be s orbital
also n - l - 1 = 1
`n = 2 ( :. l = 0)`
It is 2s orbital.

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