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Handout
Chem4kids

Chem4 Kids: Silicon (Si)

For Students 3rd - 8th
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.
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Handout
Chem4kids

Chem4 Kids: Phosphorus (P)

For Students 3rd - 8th
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...
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Handout
Chem4kids

Chem4 Kids: Argon (Ar)

For Students 3rd - 8th
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.
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Primary
Auburn University

Auburn University: Isomerism and Stereochemistry [Pdf]

For Students 9th - 10th
A PDF format file from the Auburn University that explains stereoisomers.
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Handout
Other

Chemistry Guide: Structural Isomers

For Students 9th - 10th
This site from Chemistry Guide defines a wide variety of isomers. Provides graphics for each. Positional and functional group isomers included.
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Graphic
Other

Bristol University: Structural or Constitutional Isomers

For Students 9th - 10th
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.
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Graphic
Smithsonian Institution

National Museum of American History: Mirror Molecules

For Students 9th - 10th
Pages at this site use cartoon drawings to explain mirror image molecules.
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Handout
Michigan State University

Michigan State University: Stereoisomerism in Polymers

For Students 9th - 10th
Explanation of the various types of stereoisomers,with an isomer classification flowchart.
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Unit Plan
CK-12 Foundation

Ck 12: Physical Science: Isomers

For Students 7th - 9th
[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.
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Handout
Chem4kids

Chem4 Kids: Lithium

For Students 3rd - 8th
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...
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Handout
Chem4kids

Chem4 Kids: Oxygen (O)

For Students 3rd - 8th
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.
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Graphic
University of Kentucky

University of Kentucky: Isomer Flow Chart

For Students 9th - 10th
Flow charts for determining the relationship between different isomers.
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Handout
Purdue University

Purdue: Structural Isomers

For Students 9th - 10th
Definition of structural isomers. Discusses differences in atoms and formulas. Includes differences about chemical and physical properties. Links to related definitions provided.
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Handout
Wolfram Research

Wolfram Science World: Isomer

For Students 9th - 10th
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.