Hexennoctium (Heo)

Hexennoctium is the systematic name of the theoretical 698. element in the periodic table with a symbol of Heo and atomic number of 698. Hexennoctium, also known as element 698, has sechs­hundert­acht­und­neunzig protons in its nucleus, and sechs­hundert­acht­und­neunzig electrons in its shells.