Ennennoctium (Eeo)

Ennennoctium is the systematic name of the theoretical 998. element in the periodic table with a symbol of Eeo and atomic number of 998. Ennennoctium, also known as element 998, has neun­hundert­acht­und­neunzig protons in its nucleus, and neun­hundert­acht­und­neunzig electrons in its shells.