Ennennoctium (Eeo)
Ennennoctium is the systematic name of the theoretical 998'инчи element in the periodic table with a symbol of Eeo and atomic number of 998. Ennennoctium, also known as element 998, has тогуз жүз токсон сегиз protons in its nucleus, and тогуз жүз токсон сегиз electrons in its shells.