J.R. S. answered • 7d

Ph.D. University Professor with 10+ years Tutoring Experience

The total number of electrons in a given energy level is 2(n^{2}) wheren is the energy level. For example, the third energy level can have 2(3^{2}) = 18 electrons. Thus maximum number of electrons that can be in level 9 = 162

The number of sublevels is the same as the number of the main/principal level. Example: if the main energy level is 3, there are 3 sublevels (s, p and d). Thus if main energy level is 9, there would be 9 sublevels.

For orbitals, the maximum number is n^{2} so the first energy level has 1 sublevel; for second sublevel there are 4 sublevels (1 s and 3 p), etc. For the 9th energy level there can be a maximum of 81 sublevels.

In the 3d sublevel, the number of orbitals is the same as in any other d sublevel, and that would be 5 orbitals. Recall, s has 1, p has 3 and d has 5 orbitals.

J.R. S.

6d

Mike O.

Thank you very much6d