Hexnilennium (Hne)

Hexnilennium is the systematic name of the theoretical ٦٠٩. element in the periodic table with a symbol of Hne and atomic number of 609. Hexnilennium, also known as element 609, has ستة مائة وتسعة protons in its nucleus, and ستة مائة وتسعة electrons in its shells.