Septoctnilium (Son)
Septoctnilium is the systematic name of the theoretical ٧٨٠. element in the periodic table with a symbol of Son and atomic number of 780. Septoctnilium, also known as element 780, has سبعة مائة وثمانون protons in its nucleus, and سبعة مائة وثمانون electrons in its shells.