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 семьсот пятьдесят шесть protons in its nucleus, and семьсот пятьдесят шесть electrons in its shells.