Beyond Benign
Synthesis and Analysis of Biodiesel
Fossil fuels are non-renewable resources and have become crucial to the livelihood of countless individuals. Young chemists investigate an alternative method of generating energy by performing a series of activities that lead to the...
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Interpreting Chemical Formulas
In this chemical formulas worksheet, learners practice naming molecular compounds by their formulas and determine if a gas is a compound or an element. This worksheet has 13 fill in the blank questions.
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Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
For 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...
Howard Hughes Medical Institute
Small-Molecule Diversity
One way to study the microscopic is to make it macroscopic. Each slide of the lesson presentation presents a different molecular model along with a brief description of the compound's function. Learners use the information to build...
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Lewis Structures, VSEPR, Polarity, IM Forces
In this compounds worksheet, students draw the Lewis structures, indicating the molecular polarity and the major intermolecular force in each compound. This worksheet has 10 problems to solve.
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Final Worksheet
In this chemistry worksheet, students complete 15 short answer questions and problems on empirical and molecular formula, naming and writing chemical formula of compounds.
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Stoichiometry
In this stoichiometry worksheet, students review mole conversions, percent composition, empirical formulas and molecular formulas. This worksheet has 6 problems to solve.
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Balancing Chemical Reactions
For this balancing chemical reactions worksheet, students answer 12 questions about balancing reactions. They find the coefficients to balance atoms in equations, they balance reactions, they find the molecular mass of molecules and they...
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Chemical Formulas
Young scholars examine the structure of molecules, their formula, and percentage composition of each element in the compound. They construct an organic compound with different functional groups using a modeling kit, and draw a 3-D...
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Moles, Stoichiometry, and Concentration
In this stoichiometry learning exercise, students practice calculating moles, molar mass, and percentage composition of given compounds. This learning exercise has 55 problems to solve.
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Investigating the Shapes of Covalent Molecules and Measuring their Respective Bond Lengths and Bond Angles
High schoolers will draw Lewis structures of common covalent compounds using a Chem 3D computer program. They will predict the shapes of the molecules, complete a data table, and formulate rules for predicting shapes of molecules. In the...
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Mole Conversions
In this compounds worksheet, students determine the number of molecules in molar mass for given amounts of different compounds. This worksheet has 5 problems to solve.
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Empirical Formulas
In this empirical formulas learning exercise, learners read about determining empirical formulas from chemical formulas. They determine the empirical formula given ten molecular formulas. They also find the molecular formulas given the...
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Organic Naming
In this organic compounds worksheet, students complete a graphic organizer by writing the complete structural formula, line formula, and molecular formula for the given compounds.
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Lewis Structure Worksheet
In this chemistry worksheet, students draw the Lewis structures of 9 compounds and polyatomic ions, identify their molecular shapes and polarity.
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Lewis Structure Worksheet
In this chemistry worksheet, students draw the Lewis structures of 11 compounds and polyatomic ions. They calculate the formal charge of each atom.
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Formulas from Masses
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.
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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.
Texas State Energy Conservation Office
Investigation: Chemical Models
Science teams make models of four different hydrocarbon compounds that we commonly use for fuel. Then they demonstrate chemical reactions that result when energy is produced. This can be used as an enrichment when your class is studying...
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Bonding
Almost a complete lesson in itself, this presentation will enhance any bonding and compounds unit. The concepts included are charges of atoms lending to particular molecular structures, the stability of bonds and how to diagram them....
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Molecules Research Question
In this molecules worksheet, learners research a substance that is made up of molecules with two or more elements. Students name the substance, write a short description of the substance, and draw a picture that illustrates the substance.
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The Nature of Salt
Students record information from the periodic table for sodium and chloride. They determine whether salts are molecular or ionic compounds, along with sodium chloride's molecular weight, and relative weights
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...
Curated OER
Colligative Properties - Freezing Point Depression
In this freezing point worksheet, students determine the freezing point of solutions at different concentrations. This worksheet has 9 problems to solve.
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