Septoctseptium (Sos)

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