Septpentseptium (Sps)

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