Ennennennium (Eee)

Ennennennium is the systematic name of the theoretical 999'инчи element in the periodic table with a symbol of Eee and atomic number of 999. Ennennennium, also known as element 999, has тогуз жүз токсон тогуз protons in its nucleus, and тогуз жүз токсон тогуз electrons in its shells.