Ununtrium (Uut) is het 113de scheikundig element uit het periodiek systeem der elementen. From MilliporeSigma. Het is ontdekt in 2003 en voor het eerst gesynthetiseerd in 2004. This nomenclature is defined by the IUPAC-International Union Of Pure and Applied Chemistry. This WebElements periodic table page contains the essentials for the element ununtrium Like, how are they used in everyday life? De systematische naam ununtrium (symbool Uut)is gebaseerd op de Latijnse namen van de cijfers van het getal dat … What does ununtrium mean? Ununpentium is a Periodic Table Element, it’s Atomic # is 115, Isotope # 291, Symbol Uup. Contact us      Harmful effects: Nihonium is harmful due to its radioactivity. Given is each element's element symbol, atomic number, atomic mass or most stable isotope, and group and period numbers on the periodic table. Nihonium is the temporary name of a chemical element in the periodic table that has the temporary symbol Nh and has the atomic number 113. Deze pagina is voor het laatst bewerkt op 24 mrt 2019 om 09:39. It is extremely radioactive; its most stable known isotope, nihonium-286, has a half-life of about 10 seconds. Elements are referred to by provisional names, until they are named officially. Text Solution. For an