Chapter 11: Introduction to Modern Atomic Theory

In our Quantum Mechanical model the energy levels also have sublevels and orbitals.

In the first level there is one sublevel which we can the s sublevel. In the second level there are two sublevels, the s sublevel and the p sublevel. In the third level there are three sublevels....etc.

In the Periodic Table the sublevels are evident by the groupings of the columns. The s sublevel is located on the left side of the periodic table, the p sublevel on the right. The transition metals are located in the d sublevel. Down the side are the period numbers those numbers correspond to the level the electron can be located.

Recall the s sublevel has one orbital, a p sublevel has three orbitals, and a d sublevel has five orbitals.

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