National Institute of Open Schooling
Chemical Arithmetics
Substances with the same empirical and molecular formula must be differentiated by their structural formula. Part two in a series of 36 has pupils using chemical formulas to calculate how much of a compound is present in a given...
Virginia Department of Education
Matter and Energy: Equations and Formulas
Using simple materials, an informative instructional activity demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical...
Curated OER
Understanding Behavior of Gases
If you want your young chemists to fully grasp the behavior of gases, here is an all-inclusive lesson plan. It provides handouts of detailed instructions for three laboratory activities, assessment reccomendations, and a list of...
Curated OER
2001 U.S. National Chemistry Olympiad - Local Section Exam
Sixty multiple-choice chemistry questions make up this comprehensive exam used for the 2001 US National Chemistry Olympiad. Every topic that you would expect to approach in a general chemistry class is queried on. You could easily use...
Curated OER
Worksheet 2-2 Stoichiometric Tools
In this stoichiometry worksheet, young scholars solve a variety of problems including finding empirical and molecular formulas, determining molarities of solutions, determining molecular weights of compounds and calculating the percent...
Curated OER
Chemistry 151 - Final Review
In this chemistry review activity, students give atomic symbols for given atoms, calculate moles, determine empirical formulas, and balance chemical equations. This activity has 1 drawing, 9 fill in the blank, and 12 word problems.
Curated OER
Chemical Equations
In this chemical equations worksheet, students determine the empirical formulas for chemical compounds and balance chemical equations. This worksheet has 1 fill in the blank question and 4 problems to solve.
Curated OER
High School Chemistry Questions
For this chemistry worksheet, students determine the number of water molecules is a given volume of water. Students determine the empirical formula for given compounds from the percentage mass of elements. This worksheet has 20 problems...
Curated OER
Formula Mass
In this formula mass worksheet, learners read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.
Curated OER
Chemical Formulas
Students assess how to go from writing ionic chemical formulas to nomenclature and naming chemical compounds. They brainstorm former studies and share their thoughts in small groups. A list of everyday products (shampoos, toothpaste,...
Curated OER
Working Out Empirical Formulae
In this chemical compounds learning exercise, students learn the steps for determining the empirical formula of a compound and then complete 3 problems.
Curated OER
Stoichiometry
In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.
Curated OER
Combustion Analysis Worksheet
In this combustion worksheet, students are given directions as to how to analyze a combustion reaction and they then solve five problems using this process.
Curated OER
Chemical Calculations and Chemical Formulas
In this stoichiometry instructional activity, students calculate molar masses, empirical and molecular formulas to solve 105 problems and short answer questions.
Virginia Department of Education
Finding the Formula and Percent Composition
Do you have mole problems? If so, call Avogadro at 602-2140. The lesson plan starts with pupils working independently to solve for molar mass of ionic compounds. Then they learn to solve for percent composition and later perform an...
Royal Society of Chemistry
Chemistry Masterclass—Chemistry Outreach
Immerse your chemistry class in the world of organic chemistry! Science scholars isolate acetaminophen from an over-the-counter sample during an intense and interesting lab. Groups use many different separation and analysis techniques to...
Curated OER
Nomenclature Worksheet
As the title suggest, this is an exercise in chemical nomenclature. By completing it, young chemists will practice writing formulas for compounds named, and they will practice naming compounds that are listed by empirical formulas. These...
Curated OER
Stoichiometry
In this stoichiometry worksheet, students review mole conversions, percent composition, empirical formulas and molecular formulas. This worksheet has 6 problems to solve.
Curated OER
Formulas and Mole Conversions
In this formulas and mole conversion worksheet, learners answer 22 graphic organizer, multiple choice, and short answer questions pertaining to formulas and mole conversion.
Curated OER
Nomenclature Worksheet - Acids
View empirical formulas for eighteen different acids and write their chemical names, then read the names of twenty acids and write their chemical formulas. All that you see on the worksheet is a tidy list of each, but no instructions....
Curated OER
Chemical Equations and Stoichiometry
In this chemical equations instructional activity, students calculate how many grams are used to in the equation written as well as the grams formed in the chemical equation. Students identify the limiting reagent in some of the chemical...
Curated OER
Chapter 6 - Bonds
Although there are only 16 questions here, this chemistry handout makes a terrific unit assessment. It queries youngsters on the properties of ionic and covalent compounds, relates bond length tho stability and enrgy, compares polar and...
Curated OER
Chemical Analysis and Stoichiometry Problem Set
In this chemical analysis worksheet, students calculate the empirical formula using a combustion analysis report. Students write balanced chemical equations, total ionic equations, and net ionic equations. This worksheet has 2 problems...
Curated OER
General Chemistry I
In this chemistry worksheet, learners balance each of the reactions presented using the periodic table to help. Then they predict the products of the reactions and write the net ionic equation. Students also write the empirical formulas...
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