physical property. ... Tantalum Atomic Structure: Elements by Name: 73 electrons (green) bind to the nucleus, successively occupying available electron shells (rings). It is easily fabricated and a good conductor of heat and electricity. Tantalum pentoxide is used in capacitors, condensers, cutting tools, vacuum tube filaments and in camera lenses to increase refracting power. Tantalum Page One. Additional Notes: Tantalum Menu. Tantalum is a chemical element with atomic number 73 which means there are 73 protons and 73 electrons in the atomic structure. Calculate its atomic radius. It always takes a valence of 5, so, for example, its oxide contains two atoms of tantalum and five of oxygen. In its pure state, tantalum is a grey-blue metal, which can be polished to a silvery sheen. Tantalum (Ta). The nucleus consists of 73 protons (red) and 108 neutrons (blue). Image showing periodicity of valence s-orbital radius for the chemical elements as size-coded balls on a periodic table grid. Sketch the following crystallorgphic planes: i) (110) ii) (632) Tantalum is a rare, hard, blue-gray, lustrous transition metal that is highly corrosion-resistant. Diagram of the nuclear composition and electron configuration of an atom of tantalum-181 (atomic number: 73), the most common isotope of this element. It has an atomic number of 73, and an atomic weight of just under 181. The International Nuclear Information System is operated by the IAEA in collaboration with over 150 members. INIS Repository Search provides online access to one of the world's largest collections on the peaceful uses of nuclear science and technology. Tantalum has a body centered cubic structure and a density of 1.67 x 10 4 kgm-3. Element 73 of Periodic table is Tantalum with atomic number 73, atomic weight 180.9479. Tantalum. The chemical symbol for Tantalum is Ta . Furthermore, the atomic-level analysis of the structure revealed that the glass has a fractal dimension (D f = 2.59) between the center atom and the first coordination shell, while beyond the first coordination shell D f = 3.01, which suggests the development of fractal dimension at short distance. Atomic Structure of -phase Tantalum Nanocrystallites K. Tillmann 1,2, A. Thust , A. Gerber 3,4, M. Weides , and K. Urban 1 IFF-8: Microstructure Research 2 ER-C: Ernst Ruska-Centre for Microscopy and Spectroscopy with Electrons 3 IFF-6: Electronic Materials 4 CNI: Center of Nanoelectronic Systems for Information Technology The atomic structure of -phase tantalum Uses of Tantalum: Used in metal alloys. The atomic mass of tantalum is 180.9 gmol mass of tantalum is 180.9 gmol-1. Tantalum also used for cutting tools, vacuum filament, the camera lens. Atomic radius/A: 2.09 ... Five tantalum capacitors for oxidation. References. Atomic structure Discovery Source Element USES physical property Chemical property Geological data Biology data Atomic structure. (Ans: 1.43 x 10-10 m) 2. Tantalum, symbol Ta, has a Body Centered Cubic structure and Gray color. Tantalum carbide (TaC) Tantalum chloride (TaCl 5) Tantalum nitride (TaN) Tantalum pentoxide (Ta 2 O 5) Tantalum telluride (TaTe 2) Interesting facts: It is highly corrosion-resistant. Cubic structure and Gray color, lustrous transition metal that is highly corrosion-resistant kgm-3. Over 150 members Body Centered Cubic structure and Gray color are 73 protons ( red ) and 108 (! The IAEA in collaboration with over 150 members, tantalum is 180.9 gmol-1 tantalum has a Body Cubic. Information System is operated by the IAEA in collaboration with over 150 members polished a. Image showing periodicity of valence s-orbital radius for the chemical elements as balls! Showing periodicity of valence s-orbital radius for the chemical elements as size-coded balls on a table! 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