Pentennoctium (Peo)

Pentennoctium is the systematic name of the theoretical 598. element in the periodic table with a symbol of Peo and atomic number of 598. Pentennoctium, also known as element 598, has fimm­hundrað­og­níti­átta protons in its nucleus, and fimm­hundrað­og­níti­átta electrons in its shells.