Ennennennium (Eee)

Ennennennium is the systematic name of the theoretical 999-шы element in the periodic table with a symbol of Eee and atomic number of 999. Ennennennium, also known as element 999, has тоғыз жүз тоқсан тоғыз protons in its nucleus, and тоғыз жүз тоқсан тоғыз electrons in its shells.