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 எழுநூறு ஐம்பது இரண்டு protons in its nucleus, and எழுநூறு ஐம்பது இரண்டு electrons in its shells.