The proof for the radial probability density for the n = 2 , l = 1 and m l = 0 state of a one-electron atom can be written as P ( r ) = A cos 2 θ r 4 e − Z r / a 0 .

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Chapter 36, Problem 40P

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The proof for the radial probability density for the n=2, l=1 and ml=0 state of a one-electron atom can be written as P(r)=Acos2θr4e−Zr/a0 .

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