Pentseptseptium (Pss)

Pentseptseptium is the systematic name of the theoretical ۵۷۷. element in the periodic table with a symbol of Pss and atomic number of 577. Pentseptseptium, also known as element 577, has پانصد و هفتاد و هفت protons in its nucleus, and پانصد و هفتاد و هفت electrons in its shells.