Octseptseptium (Oss)

Octseptseptium is the systematic name of the theoretical 877. element in the periodic table with a symbol of Oss and atomic number of 877. Octseptseptium, also known as element 877, has kahdeksan­sataa­seitsemän­kymmentä­seitsemän protons in its nucleus, and kahdeksan­sataa­seitsemän­kymmentä­seitsemän electrons in its shells.