Question

Which sublevel is filled after the 5s sub level?

Answer 1

The 4p sublevel is filled next, after the 3dsublevel. The boxes for the elements formed by filling the p orbitals are in place under the boxes for elements formed by adding the 3p electrons. By consulting Figure 5.8, we see that the next sublevels filled are in the order: 5s, 4d, and 5p.

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