Ennoctoctium (Eoo)
Ennoctoctium is the systematic name of the theoretical 988-ші element in the periodic table with a symbol of Eoo and atomic number of 988. Ennoctoctium, also known as element 988, has тоғыз жүз сексен сегіз protons in its nucleus, and тоғыз жүз сексен сегіз electrons in its shells.