since the outer electron for Li is quite a bit farther out than two 1s electrons,...

since the outer electron for Li is quite a bit farther out than two 1s electrons, this atom is something like a hydrogen atom in the 2s state. The first ionization potential of Li is 5.39eV. What ionization potential would be expected from this simple model of an Li atom? What effective nuclear charge Z' seen by the outer electron would give the correct first ionization potential?

Expert Solution

Answer.The first ionization potential of Li is 5.39 eV.

The ionization potential I.E=(Z/n)² x13.6 eV

5.39=(Z² /4)x13.6

Z² =4x5.39/13.6

Z² = 1.59

Z =+1.26

queen_honey_blossom answered 2 years ago

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