CK-12 Foundation
Ck 12: Hydrocarbon Rings
[Free Registration/Login may be required to access all resource tools.] In this module, students will explore cyclic hydrocarbons, and explain how ring strain contributes to the shape of cyclic hydrocarbons. They will also name and write...
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...
Chem Tutor
Chem Tutor: Chemistry: Compounds
This lesson focuses on chemical compounds including Ionic and Covalent Bonds, Valences, Lewis Structures, Binary Covalent Compounds, Radicals or Polyatomic Ions, and much more. It also includes a compound worksheet in which the learners...
Towson University
Towson University: Drawing Lewis Structures
Brief rules for writing Lewis structures for simple compounds. Some examples are included.