Octnilennium (One)

Octnilennium is the systematic name of the theoretical ٨٠٩. element in the periodic table with a symbol of One and atomic number of 809. Octnilennium, also known as element 809, has ثمانية مائة وتسعة protons in its nucleus, and ثمانية مائة وتسعة electrons in its shells.