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 kahdeksan­sataa­yhdeksän­kymmentä­kahdeksan protons in its nucleus, and kahdeksan­sataa­yhdeksän­kymmentä­kahdeksan electrons in its shells.