Pentennseptium (Pes)

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