Khan Academy
Representing Structures of Organic Molecules, Biology
Sal starts this video by looking at a traditional chain of carbons and working through the different ways they can be diagrammed.
Khan Academy
Khan Academy: Groups of the Periodic Table
An explanation of groups on the Periodic Table and their characteristics. [8:19]
Khan Academy
Khan Academy: Counting Valence Electrons for Main Group Elements
Learn how the group number relates to the number of valence electrons in the main group elements on the Periodic Table. [8:18]
Khan Academy
Khan Academy: Ionic, Covalent, and Metallic Bonds
An introduction to different types of chemical bonds.
Khan Academy
Khan Academy: Drawing Dot Structures
Introduction to drawing positions of electrons in Lewis Dot Structures. [14:42]
Khan Academy
Khan Academy: Formal Charge and Dot Structures
An introduction of formal charge and how it may affect the stabilization of dot structures. [11:30]
Khan Academy
Khan Academy: Vsepr for 2 Electron Clouds
An introduction of VSEPR and molecules with 2 electron clouds. [8:04]
Khan Academy
Khan Academy: Vsepr for 3 Electron Clouds
A description of VSEPR with 3 electron clouds and various types of molecules. [12:33]
Khan Academy
Khan Academy: Chemistry: Valence Electrons
Using information about electron configuration to determine elements react with other elements. [15:23]
Khan Academy
Khan Academy: Chemistry: Groups of the Periodic Table
An explanation of the families, or groups, of the periodic table. [11:51]
Khan Academy
Khan Academy: Chemistry: Periodic Table Trends: Ionization Energy
The energy to remove an electron, or ionization energy, is explained. [12:13]
Sophia Learning
Sophia: Identifying Valence Electrons: Lesson 1
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 1 of 3 in the series titled "Identifying Valence Electrons."
Sophia Learning
Sophia: Writing Electron Configurations: Lesson 1
This lesson will demonstrate how to write the electron configurations for any element given its location on the periodic table. It is 1 of 3 in the series titled "Writing Electron Configurations."
Sophia Learning
Sophia: Interpreting Electron Configurations
Learn how to identify a chemical element and the number of valence electrons when given its electron configuration. [9:14]
Khan Academy
Khan Academy: Bromination of Benzene
This video is a concrete example of electrophilic aromatic substitution. The bromination of benzene is an example of an electrophilic aromatic substitution reaction. In this reaction, the electrophile (bromine) forms a sigma bond to the...
Next Vista for Learning
Next Vista for Learning: Valence Electrons and Forming Ions
This video explores how to make an atom happy by fillings its outer shell! Learn about valence electrons. Also understand that by adding or subtracting electrons, atoms form ions which are no longer neutral but contain a charge. Video...
Sophia Learning
Sophia: Lewis Dot Diagrams of Elements: Lesson 3
This lesson will demonstrate how to draw a Lewis Dot diagram for elements. It is 3 of 4 in the series titled "Lewis Dot Diagrams of Elements."
Sophia Learning
Sophia: Octet Rule: Lesson 5
This lesson will define the Octet Rule and how this effects an atom's stability. It is 5 of 5 in the series titled "Octet Rule."
Sophia Learning
Sophia: Paired and Unpaired Electrons: Lesson 1
This lesson will point out the difference between electron pairs and unpaired electrons in an atom using orbital diagrams. It is 1 of 3 in the series titled "Paired and Unpaired Electrons."
Sophia Learning
Sophia: Valence Electrons: Lesson 3
This lesson will define valence electrons and describe their behavior. It is 3 of 7 in the series titled "Valence Electrons."
Sophia Learning
Sophia: Valence Electrons: Lesson 7
This lesson will define valence electrons and describe their behavior. It is 7 of 7 in the series titled "Valence Electrons."
Sophia Learning
Sophia: Valence Electrons: Lesson 4
This lesson will describe the importance of valence electrons in the process of chemical bonding. It is 4 of 7 in the series titled "Valence Electrons."