Octoctnilium (Oon)

Octoctnilium is the systematic name of the theoretical 880. element in the periodic table with a symbol of Oon and atomic number of 880. Octoctnilium, also known as element 880, has kahdeksan­sataa­kahdeksan­kymmentä protons in its nucleus, and kahdeksan­sataa­kahdeksan­kymmentä electrons in its shells.