Septpentseptium (Sps)

Septpentseptium is the systematic name of the theoretical ۷۵۷. element in the periodic table with a symbol of Sps and atomic number of 757. Septpentseptium, also known as element 757, has هفتصد و پنجاه و هفت protons in its nucleus, and هفتصد و پنجاه و هفت electrons in its shells.