Question

When you get to the transition elements what does ns2(n – 1)d1-10 mean? What is always true about the relative energies of the last filled s and d orbitals for the transition elements?

Answer 1

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The relative energies of the atomic orbitals with n ≤ 4 for a hydrogen atom are plotted in Figure 2.5.8 note that the orbital energies depend on only the principal.