Florida-Spectrum Environmental Services
Florida Spectrum: Chemical Fact Sheet: Cobalt
A nice summary of the properties uses and some environmental information on this element.
Encyclopedia of Earth
Encyclopedia of Earth: Cobalt
Information about the element, Cobalt, atomic number 27. Covers physical properties, atomic properties, how abundant it is on the Earth, and details about health-related regulations, and its importance to human and to animal health. Also...
Amethyst Galleries
Cobalt
A detailed listing of links to cobalt containing minerals around the world. Within each link, it gives a detailed description on the mineral.
Wikimedia
Wikipedia: Cobalt
This Wikipedia online encyclopedia site provides information on the element Cobalt (Co). Entry includes the characteristics, history, biological role, occurrence, compounds, isotopes, and more about Cobalt.
Royal Society of Chemistry
Royal Society of Chemistry: Cobalt
A short summary of basic information on cobalt, including history.
TED Talks
Ted: Ted Ed: Cobalt: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This one is about cobalt. Take this lesson to learn about its role in color televisions. [1:42]
Web Elements
Web Elements Periodic Table: Cobalt
An excellent summary of the basic data about cobalt, along its properties and how it is isolated chemically.
Ducksters
Ducksters: Chemistry for Kids: Elements Cobalt
Kids learn about the element cobalt and its chemistry including atomic weight, atom, uses, sources, name, and discovery. Plus properties and characteristics of cobalt.
Chemicool
Chemicool: Cobalt
A nice collection of data tables summarizing most of the basic properties of cobalt.