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 επτακόσια είκοσι οκτώ protons in its nucleus, and επτακόσια είκοσι οκτώ electrons in its shells.