Penttriseptium (Pts)

Penttriseptium is the systematic name of the theoretical 537ú element in the periodic table with a symbol of Pts and atomic number of 537. Penttriseptium, also known as element 537, has cúig chéad tríocha a seacht protons in its nucleus, and cúig chéad tríocha a seacht electrons in its shells.