Penttriseptium (Pts)
Penttriseptium is the systematic name of the theoretical ٥٣٧. element in the periodic table with a symbol of Pts and atomic number of 537. Penttriseptium, also known as element 537, has خمسة مائة وسبعة وثلاثون protons in its nucleus, and خمسة مائة وسبعة وثلاثون electrons in its shells.