Curated OER
Gumdrop Crystal Models
A great way to learn about molecular structures is to make a model. Gumdrops and toothpicks are used to construct crystal models. The models are based on theories of crystal shapes that occur because of positive and or negatively charged...
Curated OER
Naming and Covalent Compounds
In this naming and covalent compounds learning exercise, students name 12 compounds using a chart of polyatomic ions if needed. They also draw covalent bonds in 6 compounds and answer 6 questions about ionic bonds, covalent bonds and...
Curated OER
Lattice Energy
A few basic facts about lattice energy are listed at the top of the page, including the formula used for calculations. Two charts follow: one for lattice energy and another for ion sizes. There is no work to do on this handout, but it...
Curated OER
Covalent Compounds
In this compounds activity, students practice writing ion notation and making ionic compounds. Students make covalent bonds. This activity has 10 fill in the blank and 18 problems to solve.
Curated OER
What Holds a Substance Together?
Young scholars observe how substances are held together by bonds. In this physics lesson, students demonstrate how a substance is held together by ripping newspapers and stretching marshmallows. Young scholars complete a data sheet.
Curated OER
Naming and Covalent Compounds
In this compounds worksheet, students practice naming compounds and classifying them as ionic, covalent, or polyatomic compounds. This worksheet has 12 fill in the blank and 12 problems to solve.
Curated OER
Naming Compounds
In this naming compounds worksheet, students are given a chart to determine if the compound they are naming is ionic, covalent or polyatomic. Students practice identifying and naming ionic, covalent and polyatomic compounds. They define...
Curated OER
Chapter 12 Review, Mixed Review: Solutions
Although there are only six questions on this chemistry handout, it makes a thorough review of solutions. Novices explain why a compound is not an electrolyte, identify types of compounds, and calculate moles, grams, and molalilties in...
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Chemical Bonding
In this chemical compounds worksheet, students review the different types of bonding, define the octet rule, and draw Lewis structures (electron-dot diagrams) for given compounds. This worksheet has 7 fill in the blank, 5 short answer...
Curated OER
Physical Science Quiz
Test your class with a physical science quiz. Learners explain chemical processes, name compounds, write formulas for chemical compounds, balance equations, and more.
Curated OER
Periodic Table
In this periodic table instructional activity, students are given 12 terms and must match the terms to their appropriate definition. Topics include types of bonds, types of elements, and types of ions.
Curated OER
Bonding
In this word search worksheet, students locate 12 words related to molecular bonding. Words include molecule, ions, forces, polarity, partial, and particles.
Curated OER
Chapter 7 Vocabulary
In this online vocabulary worksheet, students match 14 definitions to the correct vocabulary term. Students may click the solution button to check answers.
Royal Society of Chemistry
Hydroxide Precipitates
When two liquids combine and a solid forms, the new substance is called a precipitate. Scholars test their knowledge of hydroxide precipitates and their properties. A series of four increasingly difficult puzzles challenge their logic...
Royal Society of Chemistry
Some A-level Reagents
Learning names and formulas can be a daunting task for young chemists, so support their study with interactive puzzles! First, users match each formula with its correct name. Then, individuals use them to complete three logic games.
Normal Community High School
Mole Calculations
You didn't know you'd find moles in chemistry class! Through the introduction of moles and molar volume at STP, classes see how to calculate moles using a given chemical equation. The presentation includes a short review of ions in...
Curated OER
Properties of Ionic Compounds
In this compounds worksheet, students describe why metals and nonmetals form ionic compounds and why the formation of ionic compounds are exothermic. This worksheet has 5 short answer questions.
Curated OER
Naming and Covalent Compounds
In this naming and covalent compounds worksheet, students answer 6 questions about ion notation, they make 6 ionic compounds, they make 6 covalent compounds and they name 10 compounds which are ionic, covalent or polyatomic.
Curated OER
What Happens When Chemicals are Put Together?
In this ionic compounds worksheet, students complete two tables with the chemical formulas given the cations and anions that bond.
Curated OER
Naming: Putting it all Together
For this naming compounds worksheet, high schoolers are given a flow chart guiding them to name chemical compounds. They are given several different compounds to name including binary covalent and binary ionic compounds.
Curated OER
AP Chemistry Chapter 9
In this AP Chemistry instructional activity, students apply concepts of electron configuration to accurately answer the questions provided. Students also draw Lewis structures of the given elements. Students estimate the enthalpy of...
Curated OER
2009 U.S. National Chemistry Olympiad National Exam - Part I
The 2009 version of the first part of a national chemistry competition is posted for your use with olympiad hopefuls. Test takers deal with 60 multiple choice questions covering an entire year of chemistry curriculum. Use this to...
Curated OER
Ionic Compounds
In this compounds instructional activity, students review the structure and properties of ionic compounds, their formulas and nomenclature, and molecular mass and percentage composition. This instructional activity has 4 short answer...
American Chemical Society
Why Does Water Dissolve Salt?
Individuals explore solubility by modeling how water dissolves salts. They then view a video and compare how well water and alcohol dissolve salts, relating their comparisons to the structure of each molecule.