Hexoctennium (Hoe)

Hexoctennium is the systematic name of the theoretical 689e element in the periodic table with a symbol of Hoe and atomic number of 689. Hexoctennium, also known as element 689, has zes­honderd­negen­en­tachtig protons in its nucleus, and zes­honderd­negen­en­tachtig electrons in its shells.