If a hydrogen atom is in a 2s state, the probability of finding the electron at a distance r from the nucleus is proportional to 4Πr²Ψ²_2swhere Ψ represents the orbital (wave function):

where a₀ is a constant known as the Bohr radius, equal to 0.529 × 10^-10m.
(a) Locate the maxima and minima of Ψ²s.
(b) Draw a rough graph of Ψ2s.
(c) Locate the maxima and minima of Ψ²₂s.
(d) Draw a rough graph of Ψ²₂s.
(e) Locate the maxima and minima of 4Πr²Ψ²₂s.
(f) Draw a rough graph of 4Πr²Ψ²₂s.

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