[Free Registration/Login may be required to access all resource tools.] In the following online tutorail students will learn how to express the arrangement of electrons in atoms through electron configurations and Lewis valence electron...

[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.

Through a series of slide show presentations and a video lesson, strengthen your understanding of valence electrons. [2:46]

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will sse the Periodic Table to identify and explain the properties of chemical families, including alkali metals, alkaline...

This lesson will point out the difference between electron pairs and unpaired electrons in an atom using orbital diagrams. It is 2 of 3 in the series titled "Paired and Unpaired Electrons."

Florida State University provides this article on electronic configurations of atoms and Hund's rule.

Students interpret the information given in the periodic table to describe the arrangement of electrons on the energy levels around an atom.

Explanation of Noble gases and of how atoms attempt to fill their outermost valence shells for stability.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will calculate the wavelength, frequency, and energy of light using Planck's constant and the speed of light. They will...

Acting as a subtopic of the General Chemistry Virtual Textbook's section on Atoms and the Periodic Table, this site discusses repulsion of electron pairs. Diagrams and charts of the repulsion are also provided.

[Free Registration/Login may be required to access all resource tools.] In the following online tutorial students will be able to determine the number of valence electrons for any element and draw an electron dot diagram for any atom....

Students discover the concept that two atoms can attract and form a covalent bond.

This site provides a detailed overview of atoms. Content explores an atom's structure, as well as what ions are, how atoms bond, what compounds are (including how to name compounds), and what isotopes are.

Detailed explanation of Valence Shell Electron Pair Repulsion (VSEPR) Theory with examples and questions for the reader to check comprehension. Also includes step-by-step instructions for correctly building molecules using VSEPR Theory....

Brief explanation from Frostburg State University of valence bond theory and an explanation of what chemical situation creates a valence bond between two atoms.

Short slide show provides basic information about drawing Lewis dot structures for covalent compounds. Starts with anatomy of the atom, and then shows the relationship between atomic particles and the Periodic Table of Elements. Offers...

Lists the exceptions to the octet rule and provides a discussion and diagrams explaining each one. Includes clear diagrams illustrating this concept.

Kids learn about important glossary and terms used in the science of chemistry. Words and definitions you need to know from acids to valence electrons.

This lesson will define the Octet Rule and how this effects an atom's stability. It is 4 of 5 in the series titled "Octet Rule."

Study chemical bonding in chemistry including atoms, valence electrons, ionic and covalent bonding, and how molecules are formed on this site!

An advanced explanation of the valence shell electron pair repulsion (VSEPR) theory describes specific molecular models involving digonal, trigonal, tetrahedral, and octahedral coordination, as well as central atoms with five bonds....

Learn all about molecular structures in this easy-to-understand, audio book. See how valence electrons determine how atoms bond together, and look at the bonding inside some of the most common molecules around you.