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 penki šimtai devyniasdešimt septyni protons in its nucleus, and penki šimtai devyniasdešimt septyni electrons in its shells.