Octoctennium (Ooe)

Octoctennium is the systematic name of the theoretical 889e element in the periodic table with a symbol of Ooe and atomic number of 889. Octoctennium, also known as element 889, has acht­honderd­negen­en­tachtig protons in its nucleus, and acht­honderd­negen­en­tachtig electrons in its shells.