Octoctseptium (Oos)

Octoctseptium is the systematic name of the theoretical 887. element in the periodic table with a symbol of Oos and atomic number of 887. Octoctseptium, also known as element 887, has kahdeksan­sataa­kahdeksan­kymmentä­seitsemän protons in its nucleus, and kahdeksan­sataa­kahdeksan­kymmentä­seitsemän electrons in its shells.