Consider the following possible wavefunctions for a 2-electron system ($r_1$ and $r_2$ represented as 1 and 2 for clarity): $\psi_A (1,2) = \frac{1}{\sqrt{2}}[\phi_{1s}(1)\alpha(1)\phi_{2s}(2)\beta(2) - \phi_{1s}(2)\alpha(2)\phi_{2s}(1)\beta(2)]$ $\psi_B (1,2) = \frac{1}{\sqrt{2}}[\phi_{1s}(1)\alpha(1)\phi_{2s}(2)\beta(2) - \phi_{1s}(2)\alpha(2)\phi_{2s}(1)\beta(1)]$ Which wavefunction is adequate for a 2-electron system? Prove it.
Added by Nicole P.
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The first step is to understand what the given representation means. It seems that "1 A1,2=" is a notation where "1" and "2" represent some values or variables, and "A1" is a specific operation or function being performed on those values. Show more…
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