In this periodic table worksheet, students review atomic mass, molar mass, and percent composition of compounds. Then students complete 4 problems.

Prepare your chemistry charges for stoichiometry with this PowerPoint. The objective is to be able to calculate molar mass for different compounds. Beginning with the foundational definition of moles and moving through atomic and...

In this chemistry activity, students identify and write how many significant figures they would use for each problem. Then they round the answers to the appropriate number of significant figures. Finally, students calculate the mass of...

In this atoms activity, students calculate the number of moles, molarity, grams, or formula units for 20 different problems.

Want my name and number? It's 6.0221415 times 10 to the 23rd, and my name is Avogadro. Providing nine different activities, experiments, and labs, this lesson keeps Avogadro relevant to your class all year long. 

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...

In this chemical calculations learning exercise, students fill in 7 blanks with appropriate terms. They determine if 7 statements are true or false, they match 5 conversion problems to their solutions and they solve 2 stoichiometry...

Students calculate whether or not a mole of M&M's fill their high school. They practice factor-labeling, define a mole, and calculate the number of cubic feet per mole of M&M's. To answer the question they measure and calculate...

In this titration learning exercise, students calculate the moles of acids in a given amount of solution, balance equations, and calculate the concentrations of given acids. There are 10 problems to solve.

In this moles activity, students determine the mole ratio in given compounds and calculate the number of moles of specific elements in chemical compounds. This activity has 19 problems to solve.

Learners explore the concent of using the mole to solve problems related to counts small particles of matter. Students work individually and in groups to complete conversions of substances from moles to matter.

In this stoichiometry worksheet, students practice calculating moles, molarity, and the concentration of a solution in molarity. This worksheet has 12 multiple choice questions and 3 problems to solve.

Starting with definitions of empirical and molecular formulas, this slide show guides pupils through the ways to calculate and produce chemical formulas as percentages and molar ratios. A number of examples are given for viewers to try...

In this thermodynamics worksheet, young scholars calculate the change in enthalpy for several given chemical equations provided. Students specify if the reaction was endothermic or exothermic in nature.

In this compounds worksheet, pupils practice balancing equations, determine formula mass, and calculate number of moles for given compounds. This worksheet has 7 fill in the blank and 3 problems to solve.

In this molarity worksheet, students determine the mass needed to make the given solutions and calculate molarity and volume of solutions. This worksheet has 14 problems to solve.

In this stoichiometry worksheet, students calculate the amount of heat energy released in combustion equations. This worksheet has 4 problems to solve.

In this equilibrium worksheet, students calculate the equilibrium concentrations for given compounds. This worksheet has four problems to solve.

This 60-question comprehensive exam was designed to determine who would go on to compete in the 2000 US National Chemistry Olympiad. Hopefuls answer multiple choice questions regarding all chemistry topics taught in the first year...

Here is a copy of a past national challenge exam that you can use in your general chemistry course as a unit or semester review. Sixty multiple-choice questions query learners on properties of matter, stoichiometry, reactions, and...

Sixty multiple choice questions cover the entire gamut of chemistry concepts. This is the local section of the U.S. National Chemistry Olympiad, where your chemistry candidates take a shot at entering the national competition. They...

In this chemistry conversion worksheet, students convert to moles, grams, and atoms as they respond to 5 short answer questions.

In this Hess' Law worksheet, students write their data and calculations from the lab they performed on Hess's Law. They calculate the heat of reactions per mole of substances used and calculate the theoretical heat of reaction and...

In this chemical reactions worksheet, students write chemical equations and calculate the moles of each product. This worksheet has 4 word problems.