Pentpentpentium (Ppp)

Pentpentpentium is the systematic name of the theoretical 555ú element in the periodic table with a symbol of Ppp and atomic number of 555. Pentpentpentium, also known as element 555, has cúig chéad caoga a cúig protons in its nucleus, and cúig chéad caoga a cúig electrons in its shells.