In this formula mass activity, students read about molecular substances and their formula masses. They find the formula masses for six compounds using the atomic masses of its elements.

For 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.

In this chemical formulas worksheet, students determine the number and type of each atom and the total number of atoms for the given formulas. Students complete 10 problems.

Middle schoolers use Tootsie-Roll Pops to become familiar with atoms and chemical formulas. They, in groups, find more combinations of Tootsie-Roll Pops than the other lab groups within 3 minutes (Round 1), and within 5 minutes (Round 2).

In this organic chemistry activity, students fill in two charts with prefixes used for alkanes and the names and chemical formulas for different alkanes. They draw structural and chemical formulas for given organic compounds.

Students investigate empirical formulas for molecules. In this empirical formulas lesson plan, students use paper ions to form formulas and they show these are empirical formulas. They use ions of carbon and hydrogen showing electron...

In this chemistry worksheet, students identify 12 compounds based on their chemical formulas and write chemical formulas for 12 additional compounds.

In this formula worksheet, students practice writing the chemical formula when given the compound names and practice writing the names of compound formulas. This worksheet has 55 problems to solve.

A great review of the structure and function of carbon-based molecules important to life, especially with relevance to humans. The chemistry behind the combination of polymers and the breakdown of bonds is covered. Valuable content...

Using simple materials, an informative lesson demonstrates the Law of Conservation of Matter and explains how to balance chemical equations. Young chemists perform experiments, analyze reactions, and balance chemical equations...

Nine action-packed organic chemistry exercises are contained in this mini-unit on carbon containing compounds. Examples include constructing models of alkanes, producing aromatic esters, and preparing pigments for paint and dyes....

Young chemists have unknown compounds they need to sort. Performing three different tests on each, the chemical behaviors they observe become the basis for data analysis. 

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...

A variety of topics including reaction rates, combustion reactions, periodic trends, and ionization reactions are included in this exam. Test takers also practice calculating empirical and molecular formulas of compounds.

In this chemistry worksheet, students write the correct formulas for each of the listed elements and combination of compounds. Then they write the correct names for each of the given formulas.

Using a copy of the periodic table, chemistry test takers fill in a chart with element name, chemical symbol, atomic number, atomic mass, and numbers of subatomic particles. They define subatomic particles, draw atom models, explain...

For this compounds worksheet, students will practice writing compound names when given the formula and write the formula when given the compound name. There are 160 fill in the blank questions.

In this nomenclature activity, students write the name of compounds from their chemical formula. Students practice writing the chemical formula based on the names. This activity has 33 fill in the blank questions.

In this nomenclature learning exercise, students are given chemical formulas and the name of the compound. They must determine if they are a correct match and if not, fix them to represent the same compound.

Though there are technically only 13 questions on this exam, they take up six pages and make a thorough assessment of organic chemistry principles. There are plenty of diagrams to label or complete. Emission spectra are displayed for...

In this chemistry activity, students work to write the chemical formula and the names for the compounds after the elements have been combined.

Do your chemistry scholars know their esters? Introduce the class to the nomenclature and structural formulas of common esters through thought-provoking games. Individuals or pairs of pupils match the name with the formula before using...

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...

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...