Septoctseptium (Sos)

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