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The course reader does not seem to go into detail for the F-orbital so do we need to know the configurations of atoms lower in the D block with F-orbitals? There seems to be more exceptions (similar to Chromium and Copper maybe) as you move further down in the periodic table. If so, when does the f-orbital begin and how does it fill?
For tests and quizzes, you will only need to know electron configurations of any of the s and p blocks and the first row of the d block.
The f block starts in row 6, after Barium, and starts with the 4f orbital in the Lanthanoids.
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