Hexennennium (Hee)

Hexennennium is the systematic name of the theoretical ٦٩٩. element in the periodic table with a symbol of Hee and atomic number of 699. Hexennennium, also known as element 699, has ستة مائة وتسعة وتسعون protons in its nucleus, and ستة مائة وتسعة وتسعون electrons in its shells.