Flerovium
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Flerovium is a synthetic chemical element; it has symbol Fl and atomic number 114. It is an extremely radioactive, superheavy element, named after the Flerov Laboratory of Nuclear Reactions of the Joi
Stamp of Russia, issued in 2013, dedicated to Georgy Flyorov and flerovium
Nihonium
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Nihonium is a synthetic chemical element; it has symbol Nh and atomic number 113. It is extremely radioactive: its most stable known isotope, nihonium-286, has a half-life of about 10 seconds. In the
Flerovium
…of 200 fb than the "world record" low of 30 fb for 209Bi(70Zn,n)278Nh, the reaction which RIKEN used for the official discovery of element 113 (nihonium). Alternatively, it might be produced in future as a great-granddaughter of 295120, reachable in the 249Cf(50Ti,4n) reaction. The reaction 239Pu+48Ca…
Kōsuke Morita and Hiroshi Matsumoto, celebrating the naming on 1 December 2016.