Septpenthexium (Sph)

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