Octtrioctium (Oto)
Octtrioctium is the systematic name of the theoretical 838-и element in the periodic table with a symbol of Oto and atomic number of 838. Octtrioctium, also known as element 838, has осемстотин трийсет и осем protons in its nucleus, and осемстотин трийсет и осем electrons in its shells.