Pentseptoctium (Pso)

Pentseptoctium is the systematic name of the theoretical ۵۷۸. element in the periodic table with a symbol of Pso and atomic number of 578. Pentseptoctium, also known as element 578, has پانصد و هفتاد و هشت protons in its nucleus, and پانصد و هفتاد و هشت electrons in its shells.