Pentunpentium (Pup)

Pentunpentium is the systematic name of the theoretical 515ú element in the periodic table with a symbol of Pup and atomic number of 515. Pentunpentium, also known as element 515, has cúig chéad a cúig déag protons in its nucleus, and cúig chéad a cúig déag electrons in its shells.