Ta (tantalum)

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• Tantalum — (pronEng|ˈtæntələm) (formerly tantalium IPA|/tænˈtæliəm/) is a chemical element with the symbol Ta and atomic number 73. A rare, hard, blue grey, lustrous, transition metal, tantalum is highly corrosion resistant and occurs naturally in the… …   Wikipedia

• Tantalum pentoxide — Identifiers CAS number 1314 61 0 …   Wikipedia

• Tantalum capacitor — Tantalum capacitors are a form of electrolytic capacitor. However, some forms of them are non polar, containing two capacitors connected in series (negative to negative). In comparison with aluminium electrolytic capacitors, they are for similar… …   Wikipedia

• 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… …   The Collaborative International Dictionary of English

• Tantălum — Tantălum, so v.w. Tantal …   Pierer's Universal-Lexikon

• tantalum — Symbol: Ta Atomic number: 73 Atomic weight: 180.948 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 …   Elements of periodic system

• tantalum — [tan′tə ləm] n. [ModL: so named (1802) by its discoverer, Anders Gustaf Ekeberg (1767 1813), Swed chemist < Gr Tantalos, TANTALUS (its insolubility in most acids made extraction from the mineral tantalizing) + (I)UM] a hard, gray, ductile,… …   English World dictionary

• Tantalum(V) chloride — Chembox new Name = Tantalum(V) chloride Systematic name Tantalum(V) chloride Tantalum pentachloride Section1 = Chembox Identifiers CASNo = 7721 01 9 EINECS = ? RTECS = Section2 = Chembox Properties Formula = TaCl5 MolarMass = 358.21 g/mol Solvent …   Wikipedia

• tantalum — /tan tl euhm/, n. Chem. a gray, hard, rare, metallic element occurring in columbite and tantalite and usually associated with niobium: used, because of its resistance to corrosion by most acids, for chemical, dental, and surgical instruments and… …   Universalium

• Tantalum carbide — Chembox new Name = Tantalum carbide ImageFile = Tantalum carbide.jpg ImageName = Tantalum carbide OtherNames = tantalum (IV) carbide Section1 = Chembox Identifiers CASNo = 12070 06 3 Section2 = Chembox Properties Formula = TaC MolarMass = 192.959 …   Wikipedia

• Tantalum telluride — Chembox new ImageFile = ImageSize = IUPACName = tantalum(IV) telluride OtherNames = tantalum ditelluride tantalum telluride Section1 = Chembox Identifiers CASNo = 12067 66 2 PubChem = SMILES = Section2 = Chembox Properties Formula = TaTe2… …   Wikipedia