Septbioctium (Sbo)

Septbioctium is the systematic name of the theoretical 728. element in the periodic table with a symbol of Sbo and atomic number of 728. Septbioctium, also known as element 728, has sjey­hundrað­og­tjúgo­átta protons in its nucleus, and sjey­hundrað­og­tjúgo­átta electrons in its shells.