Pentpentseptium (Pps)

Pentpentseptium is the systematic name of the theoretical 557ste element in the periodic table with a symbol of Pps and atomic number of 557. Pentpentseptium, also known as element 557, has vyfhonderd sewe-en-vyftig protons in its nucleus, and vyfhonderd sewe-en-vyftig electrons in its shells.