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Assessment
Curated OER

2003 U.S. National Chemistry Olympiad Part III

For Students 9th - 12th
In this chemistry Olympiad worksheet, pupils are given 2 lab problems to work on. They must explain their experiment they would carry out, show their data and write their results and conclusions of the lab and the process.
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Website
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.