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Ducksters

Ducksters: Chemistry for Kids: Naming Chemical Compounds

For Students 1st - 9th
Learn about naming chemical compounds in chemistry including conventions, the order of the elements, metals, non-metals, acids, and examples on naming on this site.
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Frostburg State University

General Chemistry: Percent Compound in a Mixture

For Students 9th - 10th
Resource contains and example problem and solution of how to compute percent compound within a mixture when given the mixture's mass and element percents.
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Ducksters

Ducksters: Chemistry for Kids: Organic Chemistry

For Students 1st - 9th
Kids learn about organic chemistry including the importance of carbon, organic molecules, compounds, hydrocarbons, synthesis, and functional groups.