Curated OER
Atoms, Ions and Formula Basics Make-up Test
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...
Curated OER
Chemistry - Naming and Formulas
In this compounds worksheet, students write the correct name of the chemical formulas given and write chemical formulas for the given compound names. This worksheet has 42 problems to solve.
Curated OER
More Names and Formulas!
In this compounds worksheet, learners write the correct name or the correct formula for the given compounds. Students complete 20 problems.
Curated OER
Formulae of Ionic Compounds
In this compounds worksheet, students learn the steps to writing the formula for ionic compounds. This students work out the formula for 12 compounds.
Curated OER
Formula Writing and Naming Compounds
In this formula worksheet, students practice writing chemical formulas and naming compounds. This worksheet has 29 problems to solve.
Curated OER
Naming Chemical Compounds
In this compounds worksheet, students write the names or formulas for the given ionic compounds and covalent compounds. This worksheet has 40 problems to solve.
Curated OER
Review Sheet for Covalent Compound Quiz
In this covalent compounds worksheet, high schoolers name 6 compounds given their chemical formulas, they write the formulas for 6 compounds given their chemical names and they answer questions about boiling points and solubility. They...
Curated OER
Writing Formulas by Crossing Over
In this formulas worksheet, students use the cross-over rule to determine the formula for compounds of the elements and polyatomic ions given. Students complete 15 problems.
Virginia Department of Education
Formulas and Percent Compositions of Ionic Compounds
Try not to blind anyone with science by following the safety rules. The lesson encourages scholars to form an ionic compound from magnesium and chlorine. Then they determine the empirical formula and determine the mole ratio and percent...
Science Geek
Percent Composition, Empirical and Molecular Formulas
Help your pupils understand when empirical becomes molecular. The lesson presentation demonstrates the connection between empirical formulas and molecular formulas. Then, given percent composition, the lesson demonstrates the steps to...
Royal Society of Chemistry
Everyday Chemicals (14-16)
Two men want drinks and the first orders H2O. The second man orders H2O too, but he dies. Scholars apply their knowledge of H2O2 and other everyday chemicals during the activity. They match chemical formulas to common chemical names in a...
Royal Society of Chemistry
Amines and Related Compounds
Scientists call a molecule that contains a nitrogen atom that behaves as a base an amine. Four puzzles, related to amines and similar compounds, challenge scholars to prove their knowledge. After passing each puzzle, the next increases...
Curated OER
Common Ions and Formulae of Ionic Compounds
Produced in the UK, this handout contains a chart of cations and anions. It explains how ionic compounds are formed and named. This is a concise and attractive handout that can be useful as a reference for your chemistry apprentices.
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...
Aquarium of the Pacific
Lego Molecules
Young scientists construct an understanding of molecular compounds in this hands-on science lesson. Using LEGO® to model the atoms of different elements, students build molecules based on the chemical formulas of common compounds.
Royal Society of Chemistry
Organic Formulae 2
Is your chemistry class frustrated by the multitude of representations of organic molecules? Add some challenging puzzles to an otherwise ho-hum organic lesson and let the fun begin! The second of a two-part activity focused on basic...
Royal Society of Chemistry
Ionic Formulae 2
Scientists call ions with a negative charge anions. Scholars work through one matching puzzle and four logic puzzles reviewing the chemical formulas for anion ions. Each level increases in difficulty and solidifies the concept in pupils'...
Royal Society of Chemistry
Ionic Formulae 1
The ionic formula for banana would be BaNa2. Scholars work their way through four puzzles reviewing ionic formulas. Each puzzle requires scientific knowledge as well as logic and problem-solving skills.
Curated OER
Ionic Formulas and Names
In this compounds worksheet, high schoolers determine the correct formula from the chemical compound names and determine the correct name for the chemical formulas given. This worksheet has 25 fill in the blank questions.
Curated OER
Working Out Empirical Formulae
In this chemical compounds worksheet, students learn the steps for determining the empirical formula of a compound and then complete 3 problems.
Curated OER
Nomenclature Worksheet
In this chemical compounds activity, students write the correct chemical name for the given formulas and then write the correct chemical formula for the given compounds. This activity has 30 problems to solve.
Curated OER
Homework: Naming Ionic and Covalent Compounds
In this naming ionic and covalent compounds worksheet, students name 10 chemical compounds given their formulas. They also write the formulas for 10 compounds given their chemical names.
Curated OER
Ionic Formulas
In this compounds worksheet, learners write the chemical formula for the chemical ionic formulas given. This worksheet has 25 problems to solve.
Curated OER
2007 U.S. National Chemistry Olympiad Local Section Exam
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...