Ennoctennium (Eoe)

Ennoctennium is the systematic name of the theoretical 989. element in the periodic table with a symbol of Eoe and atomic number of 989. Ennoctennium, also known as element 989, has kilenc­száz­nyolcvan­kilenc protons in its nucleus, and kilenc­száz­nyolcvan­kilenc electrons in its shells.