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