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Curated OER
Chemistry And The Nitrogen Cycle
Students investigate the factors that compose the nitrogen cycle. The harmful effects of acid rain and ozone depletion are also discussed in the lesson. Students define the nutrient that is often limiting to plant growth through...
Curated OER
Covalent Bonding-Electron Dot Structures
In this chemistry, students draw the Lewis structures of 20 covalent compounds. They demonstrate how the lone pairs are distributed in the molecule.
Curated OER
Molecular Modeling Activity
Students work together to explain the VSEPR theory and how it relates to molecules. They name electron pairs that can surround the central atom of an organism. They discuss the factors that determine the polarity of a molecule as well.
Curated OER
Periodic Table Chart Problem
In this chemistry activity, students fill in the correct elements with the help of the 25 questions. The end result is supposed to be a filled in and complete periodic table of elements.
Curated OER
Molecular Architecture
Young scholars cuminate their study of molecular structure and bonding with this activity.
Curated OER
Periodic Table Basics 2
For this periodic table worksheet, students create cards for a annotated periodic table then use it to answer 16 short answer and fill in the blank questions.
Curated OER
Bonding Theories
In this bonding worksheet, students fill in 8 blanks with the appropriate terms about theories of bonding, they determine if 6 statements are true or false, they match 5 terms with their meanings and they solve 1 problem related to...
Curated OER
The Periodic Table
High schoolers examine the periodic table and how it was developed. In this chemistry activity students identify common properties and uses of elements within a family.
Curated OER
Chemical Compounds
For this chemical compounds worksheet, students write the name of compounds from their chemical formula, balance equations, write electronic configurations for elements, and draw Lewis dot structures. This worksheet has 8 fill in the...
Curated OER
Doing Lewis Dot Diagrams
Students observe the periodic table and draw the Lewis Dot Diagram. In this investigative lesson plan students construct information on several elements including the Lewis Dot Formation and take a quiz on the information they...
Curated OER
Ionic Bonding
In this ionic bonding worksheet, students observe diagrams about ionic bonds and crystal formation. They answer 37 short answer questions about the properties of monatomic ions, polytomic ions and write correct formulas.
Curated OER
Objects in the Solar System
Eighth graders define a planet by the orbit around the sun, have a large enough gravitational force to hold a sphere shape and needs to clear the neighboorhood of it own orbital zone. They describe comets, meteoroids, meteor, meteorites...
Curated OER
Periodic Trends
Students review how physical and chemical change while discussing the properties. They diagram the electron dot for the first four elements in the periodic table. Students identify elements and state what they know while investigating...
Curated OER
An Alien Periodic Table
Students construct a periodic table based on the physical and chemical properties of elements. In this chemistry lesson, students share their work with the class and explain why they classified the elements that way.
Curated OER
Periodic Table & Its Trends
Students review atomic structure and then participate in a activity in which they categorize several "elements" into some form of order based on their properties. They discuss the trends they see. They also practice several electron...
Curated OER
Periodic Table Basics
In this elements learning exercise, students review the periodic table and how the elements are organized in the periodic table. This learning exercise has 5 short answer and 4 fill in the blank questions.
Khan Academy
Khan Academy: Counting Valence Electrons
Identify the number of valence electrons of given elements.
Sophia Learning
Sophia: Identifying Valence Electrons
A slide show presentation which demonstrates how to identify the number of valence electrons an element has based on its location on the periodic table.
Sophia Learning
Sophia: Valence Electrons
During this exercise, practice finding the number of valence electrons in an element. [1:22]
Frostburg State University
General Chemistry Online: What Is a Valence Bond?
Brief explanation from Frostburg State University of valence bond theory and an explanation of what chemical situation creates a valence bond between two atoms.
Sophia Learning
Sophia: Identifying Valence Electrons: Lesson 3
This lesson will explain how to identify the number of valence electrons an element has based on its position on the periodic table. It is 3 of 3 in the series titled "Identifying Valence Electrons."
Simon Fraser University
Chem1 Virtual Textbook: Molecular Geometry
An advanced explanation of the valence shell electron pair repulsion (VSEPR) theory describes specific molecular models involving digonal, trigonal, tetrahedral, and octahedral coordination, as well as central atoms with five bonds....
American Chemical Society
Middle School Chemistry: Energy Levels, Electrons, and Covalent Bonding
Young scholars discover the concept that two atoms can attract and form a covalent bond.