Pentennseptium (Pes)

Pentennseptium is the systematic name of the theoretical 597. element in the periodic table with a symbol of Pes and atomic number of 597. Pentennseptium, also known as element 597, has viisi­sataa­yhdeksän­kymmentä­seitsemän protons in its nucleus, and viisi­sataa­yhdeksän­kymmentä­seitsemän electrons in its shells.