Periodic Table -> Tantalum

Tantalum

Tantalum Details

Tantalum Symbol: Ta

Tantalum Atomic Number: 73

Tantalum Atomic Weight: 180.948

What is Tantalum?
Heavy blue-grey metallic transition element. Ta-181 is a stable isotope, and Ta-180 is a radioactive isotope, with a half-life in excess of 10^7 years. Used in surgery as it is unreactive. Forms a passive oxide layer in air. Identified in 1802 by Ekeberg and isolated in 1820 by Jons J. Berzelius.

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