Septoctseptium (Sos)

Septoctseptium is the systematic name of the theoretical 787. element in the periodic table with a symbol of Sos and atomic number of 787. Septoctseptium, also known as element 787, has sjey­hundrað­og­áttati­sjey protons in its nucleus, and sjey­hundrað­og­áttati­sjey electrons in its shells.