Pentpentseptium (Pps)

Pentpentseptium is the systematic name of the theoretical 557. element in the periodic table with a symbol of Pps and atomic number of 557. Pentpentseptium, also known as element 557, has חמש מאות חמישים ושבע protons in its nucleus, and חמש מאות חמישים ושבע electrons in its shells.