Hexpentseptium (Hps)

Hexpentseptium is the systematic name of the theoretical 657. element in the periodic table with a symbol of Hps and atomic number of 657. Hexpentseptium, also known as element 657, has kuusi­sataa­viisi­kymmentä­seitsemän protons in its nucleus, and kuusi­sataa­viisi­kymmentä­seitsemän electrons in its shells.