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