Octseptoctium (Oso)

Octseptoctium is the systematic name of the theoretical 878-ші element in the periodic table with a symbol of Oso and atomic number of 878. Octseptoctium, also known as element 878, has сегіз жүз жетпіс сегіз protons in its nucleus, and сегіз жүз жетпіс сегіз electrons in its shells.