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Etymologie

Was (wer) ist tantalum - definition

CHEMICAL ELEMENT WITH THE ATOMIC NUMBER OF 73

Tantalium; Element 73; Tantalic; Ta (element); Tantalum compounds; Tantalum compound; Compounds of tantalum; History of tantalum

tantalum

n.

(Min.) [Called also Tantalium.] Columbian.

Tantalum

·noun A rare nonmetallic element found in certain minerals, as tantalite, samarskite, and fergusonite, and isolated as a dark powder which becomes steel-gray by burnishing. Symbol Ta. Atomic weight 182.0. Formerly called also tantalium.

tantalum

['tant?l?m]

¦ noun the chemical element of atomic number 73, a hard silver-grey metal. (Symbol: Ta)

Derivatives

tantalic adjective

Origin

C19: from Tantalus (see tantalize), with ref. to its frustrating insolubility in acids.

Wikipedia

Tantalum

Tantalum is a chemical element with the symbol Ta and atomic number 73. Previously known as tantalium, it is named after Tantalus, a figure in Greek mythology. Tantalum is a very hard, ductile, lustrous, blue-gray transition metal that is highly corrosion-resistant. It is part of the refractory metals group, which are widely used as components of strong high-melting-point alloys. It is a group 5 element, along with vanadium and niobium, and it always occurs in geologic sources together with the chemically similar niobium, mainly in the mineral groups tantalite, columbite and coltan.

The chemical inertness and very high melting point of tantalum make it valuable for laboratory and industrial equipment such as reaction vessels and vacuum furnaces. It is used in tantalum capacitors for electronic equipment such as computers. It is being investigated for use as a material for high-quality superconducting resonators in quantum processors. Tantalum is considered a technology-critical element by the European Commission.

https://en.wikipedia.org/wiki/Tantalum

Beispiele aus Textkorpus für tantalum

1. While Saudi Arabia has significant mineral resources in bauxite, phosphate, iron ore, zinc, copper and gold, it also has the world’s largest tantalum reserves.

2. Edmonds and Groves jumped into African mining in 2000, seeking out platinum in South Africa, tantalum in Zimbabwe and cobalt in Congo.

3. It has effectiveness in surveying precious placer mineral resources of alluvial gold, diamond and olivine, placer mineral resources such as magnetite, ilmenite, zirconium and tin–wolfram and rare earth mineral resources such as tantalum, niobium and monazite.

4. Once the horn touches Itokawa, an air gun inside will fire a 10–millimeter tantalum bullet, punching a hole in the asteroid‘s crust and kicking up a plume of dust into a compartment in the bottom of Hayabusa.