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Carolina Biological Supply

Chemistry Formula Practice

For Students 8th - 12th
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.
Lab Resource
Curated OER

Finding the Formula of Magnesium Oxide

For Students 9th - 12th
Rather than simply matching up the ionic charges on paper, this exercise gets chemists into the lab to determine the chemical formula for magnesium oxide! If a known amount of magnesium is used, an oxidation reaction results in this...
PPT
Curated OER

The Mathematics of Chemical Formulas

For Teachers 8th - 12th
Wow! This is one of the most exhaustive presentations on finding chemical formulas that you will come across! Beginning with the basics, and leaving junior chemists with procedures and concrete examples, this PowerPoint certainly...
Lesson Plan
Curated OER

Chemical Formulas for Molecules

For Teachers 7th - 12th
Newcomers to chemistry compare hydrogen peroxide to water, realizing that the difference of one oxygen atom significantly affects the chemical properties. Other pairs of compounds and their formulas are also examined. A few chemical...
PPT
Curated OER

Relative Mass Formula, Atomic Formula, and Empirical Formula

For Teachers 9th - 12th
After giving the definitions of the different compound terms and formulas, equations are provided to teach your chemists to calculate different values. Relative formula mass, atomic mass, and empirical mass are shown and explained with...
Interactive
Royal Society of Chemistry

Organic Formulae 1

For Students 6th - 12th
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...
Worksheet
Curated OER

Ions in Chemical Formulas

For Students 9th - 12th
In this ions in chemical formulas worksheet, students are given 10 sets of ions to combine to form the proper chemical formula. They are given 10 formulas and they write the symbols of the ions in the compound and the number of each ion...
PPT
Curated OER

Empirical Formula

For Teachers 9th - 12th
Plenty of time was invested in creating this detailed presentation. The first slide alone includes several steps that support your explanation of percent composition, a precursor to understanding how to write empirical and molecular...
Worksheet
Curated OER

Chapter 2 and 3 Practice Worksheet - Formulas and Compounds

For Students 9th - 12th
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...
Worksheet
Curated OER

Chemical Formula Practice #1/Bonding Basics Practice Page

For Students 9th - 12th
The first of two worksheets methodically prepares chemistry novices for naming polyatomic compounds. It begins by having them acknowledge the number of each atom contained in a molecule. Then learners list the valence electrons for a...
Worksheet
Curated OER

Names and Formulas of Compounds

For Students 9th - 12th
In this compounds instructional activity, students write the name or the formula for the given compounds. This instructional activity has 20 problems to solve.
Worksheet
Curated OER

Errors in Chemical Formulas and Nomenclature

For Students 10th - Higher Ed
For this compounds worksheet, students identify the errors in the chemical formulas or chemical names. This worksheet has 25 problems to solve.
Lesson Plan
Chymist

Empirical Formula of a Compound

For Students 9th - 12th
Because of the work of John Dalton, we are able to write formulas for compounds. The hands-on experiment has scholars prepare a compound from its elements. Using mass data, individuals write the empirical formula for the compound.
Interactive
Royal Society of Chemistry

Organic Formulae 2

For Students 6th - 12th
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...
Interactive
Royal Society of Chemistry

Ionic Formulae 1

For Students 6th - 12th Standards
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.
Interactive
Royal Society of Chemistry

Ionic Formulae 2

For Students 6th - 12th Standards
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'...
Worksheet
Curated OER

Percentage Composition and Empirical & Molecular Formula

For Students 10th - 12th
In this compounds activity, learners determine the empirical and molecular formulas for given compounds. This activity has 10 problems to solve.
PPT
Science Geek

Ionic Compound Formulas

For Teachers 9th - 12th
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. 
Lesson Plan
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1
Beyond Benign

Shampoozled—Part 1: Formula Calculation

For Teachers 6th - 8th
Time for your classes to show off what they've learned! The 11th installment in the series of 24 uses concepts learned in the previous 10 lessons to create the perfect shampoo formula. Their formulas consider both sustainability and...
Lesson Plan
Curated OER

Writing Chemical Formulas

For Teachers 10th - 11th
Learners study how to write chemical fomulas by reviewing the combinations atoms form into compounds. They write a procedure to test various substances and name the compounds and write formulas. As they construct models for formulas and...
Worksheet
Curated OER

Empirical and Molecular Formulas

For Students 9th - 12th
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.
PPT
Curated OER

Empirical Formula: From Percentage to Formula

For Teachers 9th - 12th
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...
Lesson Plan
Curated OER

Formula Calculation

For Teachers 10th - 11th
In this chemistry worksheet, students determine the formulas of compounds with the indicated compositions. There are six compositions to solve on the sheet.
PPT
Curated OER

Writing Ionic Formulas

For Teachers 8th
The first 3 slides here give the steps of writing formulas once the components of a molecule are known.  The ion charges are given and then ways of finding subscript assignments are demonstrated. The last page gives 3 examples of...

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