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.
Bellevue College
Practice Drawing Lewis Structures
Twenty-six elements, compounds, and ions are randomly listed for chemistry whizzes to analyze. They are to diagram the Lewis electron dot structure for each, resulting in further insight on the configuration of different molecules. They...
Sunset Lake Software
Molecules
View molecular structure for various compounds with three-dimensional color images.
Curated OER
Properties of Useful Carbon Compounds
Nine action-packed organic chemistry exercises are contained in this mini-unit on carbon containing compounds. Examples include constructing models of alkanes, producing aromatic esters, and preparing pigments for paint and dyes....
Curated OER
Bonding Exercises
In this chemical compounds worksheet, students complete a graphic organizer by determining the electron dot formula, molecular shape, bond angle, bond polarity, and molecular polarity for 7 given compounds.
Curated OER
Shapes of Molecules
The VSEPR Model of molecular structure is exhibited through this series of slides. The step-by-step process is listed, and then examples are provided. The graphics give a visual display of the spatial relationship between the atoms of...
Curated OER
Review of Ionic and Covalent Compounds and Transitioning from Ionic to Covalent Compounds
Here is a unique assigment: compare and contrast ionic and covalent compounds in an extensive data table and then analyze Lewis dot structures in antoher. Three columns are to befilled in: "characteristic or feature," "applies to ionic...
Curated OER
Organic Worksheet
In this organic molecules worksheet, students solve twelve problems. They identify functional groups of organic molecules, they draw isomers, and they give structural and molecular formulas for compounds.
Curated OER
Chemistry 116 Exam 2 Summer 2009
Written for an introductory organic and biochemistry course, this exam will challenge your class. They label functional groups and stereocenters on drawings of molecules, draw structures given the name, complete drawings of chemical...
Curated OER
Atomic Structure and Ionic Bonding (A Visual Approach)
Using toothpicks, marshmallows, and round colored sticky dots, physical science enthusiasts build models of an atomic nucleus. For this eighth grade chemistry lesson plan, they play an atom-naming game with the models that they have...
Curated OER
Polarity Homework
In this polarity worksheet, students are given 5 compounds and they draw the Lewis structure for each, they identify the bond angels, they write the molecular shape and they determine the polarity of the molecules. Honors students...
National Institute of Open Schooling
p-Block Elements and Their Compounds – II
Ozone, made of three bonded oxygen atoms, is found 15-30 km above Earth, has a strong smell, is blue, and blocks sunlight from hitting the surface of Earth. The 22nd lesson in a series of 36 specifically focuses on the important elements...
Curated OER
Chemistry 115 Practice Exam 3
Radioactive decay, pH, properties of elements, organic compounds, and stoichiometry are all touched upon through this practice chemistry exam. It always helps learners to take a practice test in preparation for the actual exam. This...
Google
Biochemical Structures
It's truly amazing how life is sustained through the complicated interactions of different organic compounds. As young biochemists complete this learning exercise, they demonstrate their ability to identify these essential molecules as...
Curated OER
Bonding
Almost a complete lesson in itself, this presentation will enhance any bonding and compounds unit. The concepts included are charges of atoms lending to particular molecular structures, the stability of bonds and how to diagram them....
Concord Consortium
Electron Geometry
It's time to whip your chemistry class into shape! Begin your study of molecular geometry with a colorful, 3-D interactive. The resource shows models of linear, trigonal planar, and tetrahedral molecules.
Curated OER
Polymers and Crystals: Their Role in Food Science
Blend chemistry with cooking in this exploration of polymers, carbohydrates, and food science. Experimenting with gelatin produces concrete examples of the bonding and ploymerization discussed in the lesson. Copious, comprehensive...
Curated OER
Lewis Structures, VSEPR, Polarity, IM Forces
In this compounds worksheet, students draw the Lewis structures, indicating the molecular polarity and the major intermolecular force in each compound. This worksheet has 10 problems to solve.
Curated OER
Molecular Models Laboratory
Students use models to visualize molecular structures. Students read about Lewis dot structures, hybridization, and formal charge. Then students build and draw the molecules and ions given. Students complete 11 pre-lab questions and 4...
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
Shapes of Molecules—Distortion from the Pure Geometry
Ready to introduce the realities of molecular geometry to chemistry pupils? Use a logic-based interactive! Perfect as individual practice, the puzzles explore the bond angles and repulsions present in three common molecular shapes.
Curated OER
Organic Chemistry II-Exam Answer Key
In this organic chemistry worksheet, students solve 10 multiple choice problems about organic reactions, they write the molecular structures for the products of 20 reactions, they answer 10 short answer questions about specific groups of...
Curated OER
Formula for Compounds and Naming Compounds
In this naming compounds worksheet, learners write the formulas and name the compounds for 4 tables of compounds and 2 sets of compounds. They must determine the compounds formed given two elements and write the simplest formulas.
Curated OER
More Fun with Lewis Structures
In this compounds learning exercise, students draw the Lewis structures for the given compounds, being sure to show the bond angles and molecular shapes. This learning exercise has 6 problems to solve.