Septpenthexium (Sph)

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