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'...
Science Geek
Ionic Compound Formulas
By contrasting cations and anions, this presentation shows how to predict ionic charges by periodic groups. The slides conclude with a few guided practice problems for writing ionic compound formulas.
Curated OER
Chemistry Review
In this chemistry review worksheet, students identify chemical changes, isotopes, ions, and chemical bonds. This worksheet has 32 multiple choice questions.
Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds activity, learners determine the empirical and molecular formulas for given compounds. This activity has 10 problems to solve.
Curated OER
Empirical Formula: From Percentage to Formula
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...
Creative Chemistry
Maths for AS Chemistry
No practice problems are given on this handout; it is a detailed list of concepts to know and tips for working related problems in chemistry. Give this to learners as a study guide, or use it early in your career as a chemistry...
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...
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...
Curated OER
Organic Chemistry Practice Test
Framed as an organic chemistry practice test, this resource could be used for a variety of purposes. Composed of 15 questions about organic compounds such as isomers, alkynes, alkenes and amines, and other topics related to organic...
Curated OER
Organic Chemistry I: Problem Set 17-alkenes
In this organic chemistry of alkenes worksheet, young scholars name and write the chemical formulas for 12 alkenes and then complete 3 short answer questions about the saturation of alkene compounds.
Curated OER
Empirical and Molecular Formulas
In this compounds worksheet, learners write the empirical formulas or the molecular formula for the given chemical compounds. This worksheet has 20 problems to solve.
Curated OER
Formula Calculation
In this chemistry worksheet, students determine the formulas of compounds with the indicated compositions. There are six compositions to solve on the sheet.
Curated OER
Formula Units
In this chemistry worksheet, students examine the concepts of mole and molarity in order to apply in the laboratory setting. The sheet includes in depth background information.
Royal Society of Chemistry
Formulae of Compounds
Many people confuse the chemical formulas for copper carbonate and copper oxide. A set of challenging puzzles review commonly confused compound names and their symbols. Through a series of four puzzles, pupils match the names and...
Curated OER
Chemistry 231, Exam 3
This exam is aimed at assessing college level organic chemists. Ten problems are to be solved and include drawing molecular structures, assessing degrees of saturation, ordering alkenes according to stability, and explaining chemical...
Curated OER
Sample Midyear Examination (Chemistry and Biology)
A 12-page midterm exam sample can be given to young scientists in preparation for an exam. This particular installment is geared toward a class that delves into both ecology and chemistry concepts. There is no way to separate the 50...
Curated OER
Organic Chemistry I: Problem Set 23: Conjugated Dienes
In this organic chemistry of dienes worksheet, learners write the structural formulas for the products in 19 reactions of dienes in the presence of other compounds.
It's About Time
Chemical Names and Formulas
Abracadabra! Provide your class with the tools to perform a chemical "magic show" as they predict the charges of various ions, determine ionic compound formulas, and make observations to determine when a chemical reaction between...
Curated OER
Exam Review: Chemistry Calculations
In this chemistry calculations review worksheet, students solve 33 review problems about titrations, precipitates, pressure and volume of gases, combustion reactions, heat of combustion, molar concentrations and molecular formulas.
Curated OER
Chemistry - Naming and Formulas
For 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
Chemistry: Atoms
For this chemistry worksheet students complete a series of multiple choice and short answer questions on elements, chemical reactions and balancing equations.
Creative Chemistry
Finding the Formula of Magnesium Oxide
For this formula for magnesium oxide worksheet, students perform an oxidation reaction between magnesium and the oxygen in the air to produce magnesium oxide. Using the known masses of the magnesium and the end product, students find the...
Curated OER
WS 5.5 Percent Composition
In this percent composition worksheet, students find the percentages of atoms in compounds and they determine empirical formulas given the percent of each atom in a compound.
Curated OER
Organic Chemistry-Condensed Structural Formulas
In this structural formulas instructional activity, high schoolers are given three condensed structural formulas and three non-condensed structural formulas. They draw the structural and graphic formulas for each compound.