Lesson Plan
Curated OER

WS 5.5 Percent Composition

For Teachers 10th - 12th
In this percent composition worksheet, young scholars find the percentages of atoms in compounds and they determine empirical formulas given the percent of each atom in a compound.
Worksheet
Curated OER

Determining Percent Composition

For Students 9th - 12th
In this percent composition worksheet, students calculate the percent composition of compounds using their formula masses and masses of individual elements. They solve nine problems including calculating percent composition, finding...
Worksheet
Curated OER

Using Percentage in Compound Composition

For Students 9th - 12th
In this percent composition worksheet, students find the percent of each type of atom in a compound, they find the total mass of a sample and they determine the mass of particular atoms in a compound.
Worksheet
Curated OER

WS 4.5 Percent Composition and Empirical Formula

For Students 10th - 12th
In this compounds learning exercise, learners determine the empirical formulas and percent compositions of compounds given chemical formulas, mass of elements in compounds and percentages of elements in compounds.
Worksheet
Curated OER

Atomic Mass, Moles, and the Periodic Table

For Students 10th - 12th
In this periodic table learning exercise, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.
Worksheet
Curated OER

Stoichiometry

For Students 9th - 12th
In this stoichiometry worksheet, students solve thirty problems using the process of stoichiometry to find moles, molecules, and masses of substances in chemical reactions. Students balance chemical equations, find limiting reagents and...
Worksheet
Curated OER

Chapter 2 and 3 Practice Worksheet - Formulas and Compounds

For Students 9th - 12th
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...
Worksheet
Curated OER

Formulas from Masses

For Students 10th - 12th
In this mass worksheet, students determine the percentage composition of given compounds. Students write the empirical formula from the percentage composition. This worksheet has 5 problems to solve.
Worksheet
Curated OER

Solutions

For Students 10th - Higher Ed
In this solutions learning exercise, students solve twelve problems including calculating products made in reactions, determining limiting reagents, calculating molarity of solutions, determining percent composition, and finding volumes...
Lesson Plan
Beyond Benign

Green"er" Precipitation Reaction

For Students 9th - 12th
All sodium carbonate may not have the same amount of carbonate, but it should have the same percent. Learners write and balance an equation to predict the chemical reaction between sodium carbonate and zinc acetate. Through the lab...
Worksheet
Curated OER

Unit 2 Quantities Review

For Students 9th - 12th
In this quantities in chemistry worksheet, students solve 13 review problems about percent composition, significant digits, the mole, simple and molecular formulas, balancing equations, stoichiometry, limiting reagents and percent yields.
Worksheet
Curated OER

Working Out Empirical Formulae

For Students 9th - Higher Ed
In this chemical compounds instructional activity, students learn the steps for determining the empirical formula of a compound and then complete 3 problems.
Worksheet
Curated OER

Chemical Equations and Stoichiometry

For Students 10th - 11th
In this chemical equations learning exercise, 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...
Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry worksheet, students identify types of reactions, show the products, and balance the equations. Students determine the limiting reagent, theoretical yield, and percent yield for given reactions. This worksheet has 5...
Worksheet
Curated OER

Chemistry Word Search

For Students 10th - 11th
In this chemistry worksheet, students locate and identify various vocabulary terms related to chemistry. There are nine words/phrases located in the puzzle to find.
Worksheet
Curated OER

Empirical and Molecular Formula

For Students 10th - 12th
In this formulas worksheet, students review how to write compounds in their empirical formula and molecular formula. Then students complete 4 problems.
Worksheet
Curated OER

Stoichiometry

For Students 10th - Higher Ed
In this stoichiometry worksheet, students review definitions and equations associated with molarity, density, atomic mass, molarity, and dilutions. This worksheet has 18 word problems.
Worksheet
Curated OER

Chemical Composition Chart

For Students 7th - 12th
In this Earth's crust worksheet, students determine the most abundant and least abundant elements in the atmosphere, oceans, and crust. This worksheet has 1 fill in the blank and 11 short answer questions.
Worksheet
Curated OER

Ocean Water

For Students 7th - 8th
Given data about the composition of ocean water, students complete 5 different questions using a provded table that relate to the ocean water (with elements Chloride, Sodium, Sulfate, and Magnesium). Some questions require calculation,...
Worksheet
Curated OER

Chemical Equations

For Students Higher Ed
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.
Worksheet
Curated OER

Earth and Matter

For Students 9th - 12th
In this matter worksheet, students review the Earth's layers, write balanced equations, and compare the properties of different elements. This worksheet has 29 fill in the blank questions.