Sophia Learning
Sophia: Valence Electrons: Lesson 6
This lesson will describe the importance of valence electrons in the process of chemical bonding. It is 6 of 7 in the series titled "Valence Electrons."
Sophia Learning
Sophia: Lewis Dot Diagrams of Elements: Lesson 4
This lesson will demonstrate how to draw a Lewis Dot diagram for elements. It is 4 of 4 in the series titled "Lewis Dot Diagrams of Elements."
American Chemical Society
Middle School Chemistry: The Periodic Table & Energy Level Models
Find out how energy level models are represented on the Periodic Table of Elements.
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Electronegativity
[Free Registration/Login may be required to access all resource tools.] Defines electronegativity and explains trends in electronegativity.
CK-12 Foundation
Ck 12: Chemistry: Valence Electrons
[Free Registration/Login may be required to access all resource tools.] Covers valence shell electrons and inner shell electrons.
Chem Tutor
Chem Tutor: Chemistry: Lewis Structures of the Elements
This colorful page goes over the proper techniques for writing Lewis structures for elements. This is a great place to begin learning how to write Lewis structures. When you are ready for a more advanced lesson, follow the link to learn...
Texas Education Agency
Texas Gateway: Covalent Bonding: Electron Dot Diagrams
Given descriptions, diagrams, scenarios, or chemical symbols, students will model covalent bonds using electron dot formula (Lewis structures).
CK-12 Foundation
Ck 12: Plix: Valence Electrons
[Free Registration/Login Required] In this interactive you must place all of the students in their seats from back to front and see if you can figure out what element they would be if the rows of bus seats were the indicated electron...
CK-12 Foundation
Ck 12: Chemistry: Periodic Trends: Electronegativity
[Free Registration/Login may be required to access all resource tools.] Covers electronegativity definition and trends in electronegativity.
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 and Core Electrons
Through a series of slide show presentations and a video lesson, strengthen your understanding of valence electrons. [2:46]
Sophia Learning
Sophia: Valence Electrons
During this exercise, practice finding the number of valence electrons in an element. [1:22]
Other
Chemical Bonds: Writing Lewis Structures
This slide show explains the rules for writing Lewis structures and then demonstrates an example. It then provides a practice example for the student to try.
CK-12 Foundation
Ck 12: Physical Science: Valence Electrons
[Free Registration/Login may be required to access all resource tools.] Valence electrons, their variation in the periodic table and relation to reactivity and electrical conductivity of elements.
Alabama Learning Exchange
Alex: Chemistry Is Colorful!!!
In this activity, students are introduced to the 5 major types of chemical reactions. Each reaction type will be analyzed and specific examples will be noted. Students will then perform a lab investigation which includes each of the...
McMaster University
Mc Master University: Molecular Structure
This PowerPoint presentation features 33 slides that explain chemical bonding and molecular shape.
Other
Web Chem: Bonding: Valence and Core Electrons
This site from WebChem contains information on the subject of bonding with an emphasis on valence and core electrons.
Clackamas Community College
Clackamas Community College: Octete Rule
This resource offers a brief description of the Octet rule, along with a quick practice, and answers to the exercise.
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."
Sophia Learning
Sophia: Writing Electron Configurations: Lesson 3
This lesson will demonstrate how to write the electron configurations for any element given its location on the periodic table. It is 3 of 3 in the series titled "Writing Electron Configurations."
Sophia Learning
Sophia: Paired and Unpaired Electrons: Lesson 2
This lesson will point out the difference between electron pairs and unpaired electrons in an atom using orbital diagrams. It is 2 of 3 in the series titled "Paired and Unpaired Electrons."
McMaster University
Mc Master University: Covalent Bonding
Slides 5 through 8 in this presentation from the McMaster University explain covalent bonding.
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.