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