Septbioctium (Sbo)

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