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tantalum    音标拼音: [t'æntələm]
n. 金属元素,符号Ta,原子序83

金属元素,符号Ta,原子序83

tantalum
钽 TA

tantalum
钽

tantalum
n 1: a hard grey lustrous metallic element that is highly
resistant to corrosion; occurs in niobite and fergusonite
and tantalite [synonym: {tantalum}, {Ta}, {atomic number 73}]

Tantalum \Tan"ta*lum\, n. [NL. So named on account of the
perplexity and difficulty encounterd by its discoverer
(Ekeberg) in isolating it. See {Tantalus}.] (Chem.)
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}.
[1913 Webster]


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  • Tantalum - Wikipedia
    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
  • Tantalum | Rare Earth Element, Uses in Electronics Alloys . . .
    Tantalum (Ta), chemical element, bright, very hard, silver-gray metal of Group 5 (Vb) of the periodic table, characterized by its high density, extremely high melting point, and excellent resistance to all acids except hydrofluoric at ordinary temperatures
  • Tantalum - Element information, properties and uses . . .
    Tantalum alloys can be extremely strong and have been used for turbine blades, rocket nozzles and nose caps for supersonic aircraft Tantalum has no known biological role It is non-toxic Tantalum is sometimes, but only rarely, found uncombined in nature
  • What is Tantalum? Why is it Valuable? Properties, Uses More
    Tantalum is more than just a tongue-twisting word; it’s an element that belongs to the noble family of transition metals Tantalum is a metal with the chemical symbol Ta and an atomic number of 73, tantalum proudly stands among the elite in the periodic table
  • Tantalum Element Facts – Ta or Atomic Number 73
    Tantalum is a chemical element with the symbol Ta and atomic number 73 It is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant
  • Tantalum: Properties, Uses, Applications Facts . . .
    Explore the comprehensive guide on Tantalum, a transition metal known for its high melting point and corrosion resistance Discover its properties, uses in electronics, aerospace, medical applications, and more Learn about its historical background, chemical reactions, and safety precautions
  • Tantalum: Definition, Characteristics, Properties, and . . .
    Tantalum is a transition metal element with the symbol Ta It is a rare and dense metal known for its exceptional corrosion resistance and high melting point It exists in the geology as a range of ores and is not present in the metallic state in nature
  • Tantalum Facts, Symbol, Discovery, Properties, Uses
    Tantalum (pronounced as TAN-te-lem) belongs to the family of transition metals and denoted by the chemical symbol Ta It has thirty-one isotopes out of which tantalum-181 is the most stable one
  • Virginia Energy - Geology and Mineral Resources - Tantalum
    The element tantalum is a hard, dense, silvery metal with the chemical symbol Ta Tantalum is a lustrous metal When tantalum is exposed to air, it forms a durable oxide film which is highly resistant to corrosion Tantalum is also highly resistant to heat and generally non-reactive
  • Periodic Table of Elements: Los Alamos National Laboratory
    Twenty five isotopes of tantalum are known to exist Natural tantalum contains two isotopes Tantalum is a gray, heavy, and very hard metal When pure, it is ductile and can be drawn into fine wire, which is used as a filament for evaporating metals such as aluminum





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