Septpenthexium (Sph)

Septpenthexium is the systematic name of the theoretical 756e element in the periodic table with a symbol of Sph and atomic number of 756. Septpenthexium, also known as element 756, has zeven­honderd­zes­en­vijftig protons in its nucleus, and zeven­honderd­zes­en­vijftig electrons in its shells.