Tantalum
Tantalum
Tantalum, symbol Ta, is a very white, ductile, and
malleable metallic element. Tantalum is one of the
transition elements of the periodic table. The atomic
number of Tantalum is 73. It was first discovered in
1802 by Anders Ekebura of Sweden and then first obtained
in pure form in 1820 by the Swedish chemist Baron Jons
Jakob Berzelius.
Tantalum is soluble in fused alkalies, insoluble in
sulfuric, hydrochloric, and nitric acids, and soluble
in hydrofluoric acid. It …
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…such as railway-
signaling systems. It is also used for aircraft and missile
parts.
Due to its resistance to be attacked by acids of the
human body and its compatibility with body tissue, it
is used to pin together broken bones. Tantalum is also
used in surgical and dental instruments. The oxide is
an ingredient in special optical glass for aerial camera
lenses because it increases the refracting (light
bending) power of glass.
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