Encyclopedia of Earth
Encyclopedia of Earth: Tantalum
A description of the element, Tantalum, atomic number 73. Covers the origin of its name, sources, uses for it in industry, and possible substitutes.
TED Talks
Ted: Ted Ed: Tantalum: Periodic Table of Videos
The team at Periodicvideos has created a TED-Ed Lesson for every element of the periodic table. This video is about tantalum, an element not commonly heard of, but is in everyone's cell phone. [0:58]