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Bozeman Science
Metallic Bonding
In this video Paul Andersen explains how metallic bonding structure creates the different properties of metals. The electron sea model explains how the positive nuclei are locked into a negative sea of delocalized electrons. This...
Curated Video
Mendeleev's Prophecy
When Mendeleev created the Periodic Table in 1869, he also predicted the existence of elements yet to be discovered, including gallium. What are the properties of this rare metal and why was its discovery so important? Chemistry -...
University of Nottingham
University of Nottingham: Periodic Table of Videos: Scandium
A discussion on lesser-known transition metal scandium and its properties that allow it to be easily ionized into sea salts. [7:40]
Khan Academy
Khan Academy: Electron Configurations in the 3d Orbitals
A review of the electron configurations and orbital notations with a focus on K, Ca, and Sc. [12:33]