Octoctennium (Ooe)

Octoctennium is the systematic name of the theoretical 889. element in the periodic table with a symbol of Ooe and atomic number of 889. Octoctennium, also known as element 889, has nyolc­száz­nyolcvan­kilenc protons in its nucleus, and nyolc­száz­nyolcvan­kilenc electrons in its shells.