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 šesť­sto päťdesiat­sedem protons in its nucleus, and šesť­sto päťdesiat­sedem electrons in its shells.