### Write down the corresponding wavefunction

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In a He+ ion, the electron is in 3S state Assume that units can be chosen that a = 4 ? ?0 h2 / (M e2) = 1

A) write down the corresponding wavefunction ?

B) How many radial nodes are in the above wave function? Find out all the values of radition?

C) what is the most probable point at which He electron will be found?

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