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