Curated OER
Finding the Formula of Magnesium Oxide
Rather than simply matching up the ionic charges on paper, this exercise gets chemists into the lab to determine the chemical formula for magnesium oxide! If a know amount of magnesium is used, an oxidation reaction results in this...
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2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
Chemical Formulas for Molecules
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
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Chemical Equations and Reactions
Graphic organizers, photos, diagrams, and text bring the world of chemical reactions to life. By viewing this presentation, young chemists learn how to recognize when a chemical reaction has occurred, and how to balance chemical...
Carolina Biological Supply
Chemistry Formula Practice
Practice naming chemical compounds or stating the formula when given the name. Discover how well you have mastered these skills either by time or percentage correct.
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Chemical Formula Practice #1/Bonding Basics Practice Page
The first of two worksheets methodically prepares chemistry novices for naming polyatomic compounds. It begins by having them acknowledge the number of each atom contained in a molecule. Then learners list the valence electrons for a...
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Chapter 14 Review, Section 1: Acids and Bases
An overview of acid and base compounds and their reactions is presented with this handout. Pupils name compounds and write chemical formulas. They write net ionic equations and explain how acidic solutions might conduct electricity. This...
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Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In this formulas and equations worksheet, chemistry apprentices write the chemical formulas given the names. They calculate percent composition, balance equations, and calculate the mass of a substance present in a fertilizer. This is a...
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Names and Formulas of Compounds
In this compounds worksheet, high schoolers write the name or the formula for the given compounds. This worksheet has 20 problems to solve.
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Errors in Chemical Formulas and Nomenclature
In this compounds worksheet, students identify the errors in the chemical formulas or chemical names. This worksheet has 25 problems to solve.
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Ionic Compounds
Display the method for naming ionic compounds and then provide plenty of practice with this presentation. Seventeen slides explain and then check for understanding. Young chemists will certainly benefit from this presentation.
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Honors Chemistry, Organic Chemistry
Looking for a versatile worksheet on organic chemistry? If so, you might consider this resource. This resource asks learners to identify organic molecules, match terms with their definitions, determine bond angles and hybridization of...
National Science Teachers Association
Acid Non-Acid
Using these printable cards, chemistry fanatics can practice identifying acids by the name or by the chemical formula. The names are obvious since they all end in acid, so perhaps it would be more valuable to exclude the name cards from...
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A Whiff of Danger
Public health trainees read and write a summary of the article, "A Whiff of Danger". The article is not available through the link, but can be found on the National Center for Biotechnology Information website. After summarizing,...
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Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
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Empirical and Molecular Formulas
In this compounds worksheet, students write the empirical formulas or the molecular formula for the given chemical compounds. This worksheet has 20 problems to solve.
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Ionic Compounds: Polyatomic Ions
In this compounds worksheet, students write the name or the chemical formula for the polyatomic ions given. This worksheet has 20 problems to solve.
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Ionic Compounds: Traditional System of Nomenclature
In this ionic compounds worksheet, students write the traditional name or the chemical formula for the given compounds. This worksheet has 20 problems to solve.
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Ionic Binary Compounds: Multiple-Charge Cations
In this compounds worksheet, students write the name or the chemical formula for the ionic binary compounds given. This worksheet has 20 problems to solve.
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Covalent Binary Compounds: Nonmetal-Nonmetal Combinations
For this compounds worksheet, students write the name or the chemical formula for the given covalent binary compounds. This worksheet has 20 problems to solve.
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Ionic Binary Compounds: Single-Charge Cations
In this compounds instructional activity, students write the name or the chemical formula for the given single-charge cations. This instructional activity has 20 problems to solve.
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Thermodynamics: Enthalpy of Reaction and Hess Law
In this thermodynamics worksheet, students calculate the change in enthalpy for several given chemical equations provided. Students specify if the reaction was endothermic or exothermic in nature.
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Theoretical Yield and Percent Yield in Chemical Reaction
In this stoichiometry worksheet, students solve several problems using the stoichiometric method. Students find the percent, theoretical, and actual yield for all problems presented.
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What Happens When Chemicals Are Put Together?
In this compounds worksheet, learners write the chemical formulas for ionic compounds given cations and anions. They are also given cations and anions and identify the number of cations and anions needed to write the appropriate chemical...