Other
University of South Carolina: Resonance in Lewis Structures
A slide show with several slides dedicated to the topic of resonance in Lewis structures. Diagrams help illustate the examples. A practice example is provided.
CK-12 Foundation
Ck 12: Lewis Electron Dot Structures
[Free Registration/Login may be required to access all resource tools.] The following online tutorial describes how a covalent bond forms, including the energy change involved in the process.Students will be asked to use the octet rule...
Chem Tutor
Chem Tutor: Chemistry: Lewis Structures of the Elements
This colorful page goes over the proper techniques for writing Lewis structures for elements. This is a great place to begin learning how to write Lewis structures. When you are ready for a more advanced lesson, follow the link to learn...
Towson University
Towson University: Drawing Lewis Structures
Brief rules for writing Lewis structures for simple compounds. Some examples are included.
Other
Chemical Bonds: Writing Lewis Structures
This slide show explains the rules for writing Lewis structures and then demonstrates an example. It then provides a practice example for the student to try.
State University of New York
State University of New York: Drawing Lewis Structures
This simulation is an interaction with drawing Lewis structures.
State University of New York
State University of New York: Drawing Lewis Structures
The following simulation contains partially completed Lewis structures and students are required to complete them by dragging bonds and lone electron pairs to their appropriate positions.
Wisc-Online
Wisc Online: Lewis Dot Structures of Covalent Compounds
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...
Other
Organic Chemistry: Lewis/kekule Structures
This slide presentation contains a few slides that will be useful for students learning to write Lewis structures. A discussion of multiple bonds is included, and clear examples are shown.
University of California
Organic Chemistry Page: A Brief Tutorial on Drawing Lewis Dot Structures
An excellent lesson on writing Lewis structures. Examples shown include ammonium ion, carbon dioxide and the carbonate ion.
CK-12 Foundation
Ck 12: Lewis Electron Dot Structures
[Free Registration/Login may be required to access all resource tools.] Students will use their knowledge of covalent bonds, and apply that to drawing Lewis dot structures to represent compounds.
Frostburg State University
General Chemistry Online: Chemical Bonds Faq
Find answers to common questions about chemical bonds. Recognize molecular orbital theory and know how to draw a Lewis structure.
Texas Education Agency
Texas Gateway: Covalent Bonding: Electron Dot Diagrams
Given descriptions, diagrams, scenarios, or chemical symbols, students will model covalent bonds using electron dot formula (Lewis structures).
Texas Education Agency
Texas Gateway: Ionic Bonds: Electron Dot Formulas
Given descriptions, diagrams, scenarios, or chemical symbols, students will model ionic bonds using electron dot formulas.
Chem Tutor
Chem Tutor: Bonds in General
A summary of bonding terms and the importance of electrons in bonding.
American Chemical Society
Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams
Learners draw and interpret Lewis dot diagrams for individual atoms and both covalent and ionic compounds.
Chiral Publishing
Chiral Publishing: An Introduction to Chemistry: Molecular Structure [Pdf]
The Molecular Structure chapter from "An Introduction to Chemistry" textbook discusses the formation of covalent bonds, drawing Lewis dot structures, and the resonance and molecular geometry of molecules. Many pictures and examples are...
Sophia Learning
Sophia: Lewis Dot Diagrams of Molecules Single Bonds: Lesson 2
This lesson will demonstrate how to draw a Lewis dot diagram for a molecule that has single bonds. It is 2 of 2 in the series titled "Lewis Dot Diagrams of Molecules - single bonds."
American Chemical Society
Middle School Chemistry: Represent Bonding With Lewis Dot Diagrams
Find out how molecular bonding is represented by Lewis dot diagrams.
Science Education Resource Center at Carleton College
Serc: Loopy Lewis Dot Diagrams
Learners will use colored fruit loops to organize valence electrons to develop and master the basics of Lewis Dot diagrams. They will develop processing and critical thinking skills and also master a model of bonding.
University of California
Resonance: Drawing Resonance Structures
An extensive lesson from UCLA on drawing resonance structures. Includes several examples, and links to related topics. Practice problems are also provided.
University of Florida
University of Florida: General Chemistry I: Chemical Bonding
Notes on covalent bonding, bond length, bond energies, Lewis dot structures, and percent ionic character. Colorful graphics.
Other
Chemical Bonds: Electronegativity
A slideshow with several slides dedicated to electronegativity, the trend which is illustrated in the slide at this link. Others slides explain how the electronegativity can be used to determine bond character.
Other
Chemical Bonds: Formal Charges
A slide presentation with several slides dedicated to the topic of formal charges. Formal charges are explained, and examples are given. A practice example is provided.