Tantalum Element Cube - 2" Acrylic Display - Atomic Number 73

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Tantalum's atomic number is 73 and its symbol is Ta. Tantalum is named after the Greek mythology villain Tantalus. It is a very lustrous bluish-grey transition metal that is consid ered a “technology-critical element”. Its use in electronics is to make tantalum capacitors. If you have looked at the guts of electronics, they are the parts that look like flat match heads. Tantalum compounds are also used in body implants and coatings because it is highly biocompatible. Show more