Hexoctseptium (Hos)

Hexoctseptium is the systematic name of the theoretical 687e element in the periodic table with a symbol of Hos and atomic number of 687. Hexoctseptium, also known as element 687, has zes­honderd­zeven­en­tachtig protons in its nucleus, and zes­honderd­zeven­en­tachtig electrons in its shells.