Septoctseptium (Sos)

Septoctseptium is the systematic name of the theoretical ٧٨٧. element in the periodic table with a symbol of Sos and atomic number of 787. Septoctseptium, also known as element 787, has سبعة مائة وسبعة وثمانون protons in its nucleus, and سبعة مائة وسبعة وثمانون electrons in its shells.