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 septyni šimtai penkiasdešimt šeši protons in its nucleus, and septyni šimtai penkiasdešimt šeši electrons in its shells.