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