Understand what an electron shell is by learning the electron shell definition. Learn about the electron shell energy levels and the valence electrons.

What is electron configuration? Learn how to do electron configuration. See the relationship between electron configuration and the energy levels of an atom.

What is an electron transport chain (ETC)? Learn where the ETC takes place. See electron transport chain steps along with its reactants and products.

Learn what electron carriers are in cellular respiration. Study the main redox reactions and identify what oxidized and reduced mean in cellular respiration.

Learn about the energy levels of an atom. Find out what an electron energy level is, discover how to find energy levels, and study examples of energy levels.

Explore electron microscopes. Read an electron microscope definition and learn its various types. See an electron microscope diagram and discover its uses.

Learn about the modern atomic model. Understand the modern atomic theory and Schrodinger model. Discover what the modern atomic model is called, i.e., "electron cloud."

VSEPR is a theory used to predict the 3-dimensional shape of covalent molecules using the electron pairs that surround the central atoms in the molecule.

Learn about valence electrons and how to find the number of valence electrons on the periodic table. Discover the role of a valence electron in an atom.

In this lesson, there is an overview of how metallic bonding occurs and how the sea of electrons model contributes to the unique properties of metals.