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 sechs­hundert­sieben­und­fünfzig protons in its nucleus, and sechs­hundert­sieben­und­fünfzig electrons in its shells.