Octseptennium (Ose)
Octseptennium is the systematic name of the theoretical 879. element in the periodic table with a symbol of Ose and atomic number of 879. Octseptennium, also known as element 879, has osiemset siedemdziesiąt dziewięć protons in its nucleus, and osiemset siedemdziesiąt dziewięć electrons in its shells.