Electron configuration: 1s 1 2s 2 2p 6 3s 2 3p 6 3d 10 4s 2 4p 6 4d 10 5s 2 5p 6 4f 14 5d 10 6s 2 6p 6 5f 14 6d 10 7s 2 7p 5. When an electron is added to a neutral atom, energy is released. In chemistry and atomic physics, the electron affinity of an atom or molecule is defined as: the change in energy (in kJ/mole) of a neutral atom or molecule (in the gaseous phase) when an electron is … In 2010 Russian and American scientists announced the production of six atoms of tennessine, which were formed when 22 milligrams of berkelium-249 were bombarded with atoms of calcium-48, at the cyclotron at the Joint Institute for Nuclear Research in Dubna, Russia.These atoms were of atomic weights 293 and 294. History and Discovery. Atomic Mass of Tennessine. An atom of Tennessine in the gas phase, for example, gives off energy when it gains an electron to form an ion of Tennessine. Ts + e – → Ts – – ∆H = Affinity = — kJ/mol. Tennessine is a synthetic element that was discovered in 2010. Atomic Number of Tennessine. Electron Configuration: [Rn] 7s 2 7p 5 5f 14 6d 10 (predicted) [4] Oxidation States: −1, +1, +3, +5 (predicted) [1][4] History. Also known as eka-astatine or element 117, it is the second-heaviest known element and penultimate element of the 7th period of the periodic table. The synthesized atoms have lasted some tens and hundreds of microseconds and is likely to neither commonly form anions nor achieve high oxidation states. Tennessine was made by a fusion reaction of element 20 with element 97: calcium-48 with berkelium-249. This means part of the electron configuration has been replaced with the element symbol of the noble gas symbol. According to the Mendeleev’s nomenclature of undiscovered elements, Tennessine was named as eka-astatine or element-117.Tennessine was synthesized by collaboration of an American-Russian team led by Yuri Oganessia working in Dubna, Russia in 2010 [1]. To find out more information about an element, simply click on it to get a full screen view, with a variety of different information, including electron configuration, general information such as boiling or melting point, and information for engineers. Tennessine Electron Configuration. In the first synthesis of tennessine, calcium ions were formed into a beam in a cyclotron (a particle accelerator) and fired at a target layer of berkelium deposited 300 nm thick on titanium foil. Electron Affinity of Tennessine. Tennessine (Ts) From Wikipedia, the free encyclopedia Tennessine is a superheavy artificial chemical element with an atomic number of 117 and a symbol of Ts. You can use arrow … As each element has a unique electron configuration, reading the X-ray energy levels generated from the excitation phenomena (the rejection and recovery of electrons orbiting the atom) the analyst can identify the elements within the sample, and by reading the intensity of the energies know their quantities. It is highly radioactive and unstable element. Phase: Solid (predicted) Electron affinity of Tennessine is — kJ/mol. Atomic mass of Tennessine is 294 u.. On Novemer 28th, 2016 element 117 was named Tennessine with the symbol (Ts). Thermal Properties of Tennessine Element. Tennessine (Ts), artificially produced transuranium element of atomic number 117. Electron configuration [Rn] ... Tennessine – Element 117 is a superheavy element on the periodic table, which does not occur naturally, are synthesized by exposing a radioisotope target to a beam of another specific isotope. To use electron affinities properly, it is essential to keep track of sign. 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