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 sjey­hundrað­og­fimmti­seks protons in its nucleus, and sjey­hundrað­og­fimmti­seks electrons in its shells.