Atomic StructureMedium

Question

Consider the following schematic plots of orbital wavefunction $\left( \psi_{r} \right)$ against distance $(r)$ from the nucleus.

The figure representing two radial nodes in the orbital is

Options

A.C
B.D
C.A
D.B

Solution

Sol. [Key Concept: Radial nodes = n − l − 1]

(1s); number of radial node = 0

$(2s)$; number of radial node = 1

(3s); number of radial nodes = 2

$(3p)$; number of radial node = 1

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