Electronic Structure

Explain how the electrons in an atom will automatically occupy the lowest available energy levels, which correspond to the innermost available shells.

Represent the electronic structure of an atom efficiently using strict numerical sequences or structured visual diagrams.

Determine the electronic structure of elements, such as accurately identifying sodium as having a 2,8,1 configuration (two electrons in the lowest level, eight in the second, and one in the third).

Describe and answer questions concerning atomic configurations using correct terminology for either energy levels or electron shells.