Octtrioctium (Oto)
Octtrioctium is the systematic name of the theoretical 838ú element in the periodic table with a symbol of Oto and atomic number of 838. Octtrioctium, also known as element 838, has ocht gcéad tríocha a hocht protons in its nucleus, and ocht gcéad tríocha a hocht electrons in its shells.