Curated OER
Lewis Structures
In this Lewis structures worksheet, students identify and describe what Lewis structures or dot diagrams are and how they illustrate the valence electrons in an outer shell. Then they use a periodic table to determine the numbers of...
Oklahoma State University
Osu: Chemical Bonding Content in a Nutshell
An overview of chemical bonding and how valence electrons play a major role in these processes.
Other
Us: Valence Shell Electron Pair Repulsion (Vsepr)
An excellent tutorial that examines VSEPR and pairs of valence electrons. The valence shell electron pair repulsion concept is explored using animated models. Includes a VSEPR calculator. Use the toolbar on the left to navigate through...
Oklahoma State University
Oklahoma State University: Key Questions
A quiz on chemical bonding and valence electrons.
University of Colorado
University of Colorado: Physics 2000: Periodic Table: Valences and the Periodic Table
The periodic table was laid out using valences or the electrons in the outermost shell.
University of Colorado
University of Colorado: Physics 2000: Origin of the Periodic Table: Valence Electrons
Valence electrons are defined in terms of electron configuration.