Octennoctium (Oeo)

Octennoctium is the systematic name of the theoretical 898e element in the periodic table with a symbol of Oeo and atomic number of 898. Octennoctium, also known as element 898, has acht­honderd­acht­en­negentig protons in its nucleus, and acht­honderd­acht­en­negentig electrons in its shells.