Octennoctium (Oeo)

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