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 siwen­honnert­zweeanfofzeg protons in its nucleus, and siwen­honnert­zweeanfofzeg electrons in its shells.