Ennennoctium (Eeo)
Ennennoctium is the systematic name of the theoretical 998ste element in the periodic table with a symbol of Eeo and atomic number of 998. Ennennoctium, also known as element 998, has negehonderd agt-en-negentig protons in its nucleus, and negehonderd agt-en-negentig electrons in its shells.