Curated OER
Percentage Composition and Empirical & Molecular Formula
In this compounds learning exercise, students determine the empirical and molecular formulas for given compounds. This learning exercise has 10 problems to solve.
Curated OER
Empirical and Molecular Formulas
In this compounds worksheet, students write the empirical formulas or the molecular formula for the given chemical compounds. This worksheet has 20 problems to solve.
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...
Curated OER
Chemistry Practice
In this chemistry overview worksheet, students calculated the volume of different gases and liquids given in a word problem. Students had to calculate the molecular mass and write the empirical formula and the molecular formula.
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...
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...
Curated OER
1999 U.S. National Chemistry Olympiad Part II
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.
Carolina Biological Supply
Chemistry Formula Practice
Practice naming chemical compounds or stating the formula when given the name. Discover how well you have mastered these skills either by time or percentage correct.
Curated OER
Oxidation Numbers and Ionic Compounds
For this oxidation numbers and ionic compounds worksheet, students write the formula for compounds given ions, they write the ions given formulas, they list oxidation numbers for elements, they write formulas for compounds and they name...
Royal Society of Chemistry
Organic Formulae 1
Puzzles are the formula for success in organic chemistry! Hydrocarbons abound in the first of two interactives involving basic organic molecules. The easy-to-use lesson is available online and in print form, so you can pick your delivery...
Curated OER
Exam Review: Chemistry Calculations
For 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
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
WS 10.1 Organic Chemistry
For this organic chemistry worksheet, students compare inorganic and organic compounds. They write structural and molecular formulas for given molecules.
Curated OER
Empirical Formulas
Young scholars 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...
Curated OER
2002 U.S. National Chemistry Olympiad National Exam - Part I
As to be expected from the American Chemical Society Olympiad Examinations Task Force, this 60-question test tops the charts in terms of excellence. It consists entirely of multiple choice questions designed to assess a year's worth of...
Curated OER
Alkene Reactions
In this chemistry worksheet, students write structural formulas for the products and illustrate stereo chemistry when necessary. Then they write the structures for the molecular formulas given for reactants and products for each problem.
Curated OER
Percentage Composition
In this chemical compounds worksheet, students determine the empirical formula or the molecular formula for the compounds given. Students calculate percent composition. This worksheet has 10 problems to solve.
Curated OER
Math 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...
National Science Teachers Association
Ionic Molecular
Twelve compounds are named and each of their chemical formulas are printed on individual cards. Chemistry pupils place each beneath an Ionic or Molecular card, depending on which type of compound is represented.
Curated OER
Chapter 6 - Bonds
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...
Curated OER
Organic Chemistry Problem Set Exam 1
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...
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
Practice Final
A full-fledged practice final prepares pupils for their general chemistry final exam. If they complete these 57 multiple-choice questions correctly, they will be well-prepared. Note: even though the questions are multiple-choice, there...
Curated OER
Chapter 2 and 3 Practice Worksheet - Formulas and Compounds
In 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...