Hexoctoctium (Hoo)
Hexoctoctium is the systematic name of the theoretical 688. element in the periodic table with a symbol of Hoo and atomic number of 688. Hexoctoctium, also known as element 688, has εξακόσια ογδόντα οκτώ protons in its nucleus, and εξακόσια ογδόντα οκτώ electrons in its shells.