Octoctoctium (Ooo)
Octoctoctium is the systematic name of the theoretical 888-ші element in the periodic table with a symbol of Ooo and atomic number of 888. Octoctoctium, also known as element 888, has сегіз жүз сексен сегіз protons in its nucleus, and сегіз жүз сексен сегіз electrons in its shells.