Chem4kids
Chem4 Kids: Silicon (Si)
Here you can find some great information about the 14th element in the periodic table, "silicon." Content focuses on silicon's electrons, where you can find silicon in nature and in the home, and how silicon combines with other elements.
Chem4kids
Chem4 Kids: Phosphorus (P)
Here you can find some great information about the 15th element in the periodic table, "phosphorus." Content focuses on phosphorus' electrons, where you can find phosphorus in nature and in the home, and how phosphorus combines with...
Chem4kids
Chem4 Kids: Argon (Ar)
Chem4Kids looks at the 18th element in the periodic table, argon. Content focuses on argon's electrons, where you can find argon in nature and in the home, and how argon combines with other elements.
Auburn University
Auburn University: Isomerism and Stereochemistry [Pdf]
A PDF format file from the Auburn University that explains stereoisomers.
Other
Chemistry Guide: Structural Isomers
This site from Chemistry Guide defines a wide variety of isomers. Provides graphics for each. Positional and functional group isomers included.
Other
Bristol University: Structural or Constitutional Isomers
Structural Isomers are molecules which have the same molecular formula but have different connectivities (The Order They Are Put Together). Alkanes can be very simple examples of this. This pages shows a few examples.
Smithsonian Institution
National Museum of American History: Mirror Molecules
Pages at this site use cartoon drawings to explain mirror image molecules.
Michigan State University
Michigan State University: Stereoisomerism in Polymers
Explanation of the various types of stereoisomers,with an isomer classification flowchart.
CK-12 Foundation
Ck 12: Physical Science: Isomers
[Free Registration/Login may be required to access all resource tools.] Isomers and their properties, how the number of carbon atoms determines how many isomers a hydrocarbon has.
Chem4kids
Chem4 Kids: Lithium
Here at Chem4Kids you can find some great information about the third element in the periodic table, lithium. Content focuses on lithium's electrons, where you can find lithium in nature, and how it bonds with other elements (or with...
Chem4kids
Chem4 Kids: Oxygen (O)
Here you can find some great information about the 8th element in the periodic table, "oxygen." Content focuses on oxygen's electrons, where you can find oxygen in nature and in the home, and how oxygen combines with other elements.
University of Kentucky
University of Kentucky: Isomer Flow Chart
Flow charts for determining the relationship between different isomers.
Purdue University
Purdue: Structural Isomers
Definition of structural isomers. Discusses differences in atoms and formulas. Includes differences about chemical and physical properties. Links to related definitions provided.
Wolfram Research
Wolfram Science World: Isomer
This page from ScienceWorld provides a one sentence long definition of an isomer. Links are provided for additional information, such as: conformational isomer, configurational isomer, and structural isomer.