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The wave function of atomic orbital of H-like species is given as ψ 2 s = 1 4 2 π Z 3 / 2 ( 2 - Z r ) e - Z r / 2 The radius for nodal surface for H e + ion in Å is

Correct answer

1

Step-by-step solution

At nodal surface ψ 2 = 0 So 2 - Z r = 0 r = 2 Z = 2 2 = 1 Å .

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