Septpentbium (Spb)

Septpentbium is the systematic name of the theoretical 752. element in the periodic table with a symbol of Spb and atomic number of 752. Septpentbium, also known as element 752, has syv­hundrede og to­og­halvtreds protons in its nucleus, and syv­hundrede og to­og­halvtreds electrons in its shells.