Septennoctium (Seo)

Septennoctium is the systematic name of the theoretical ٧٩٨. element in the periodic table with a symbol of Seo and atomic number of 798. Septennoctium, also known as element 798, has سبعة مائة وثمانية وتسعون protons in its nucleus, and سبعة مائة وثمانية وتسعون electrons in its shells.