Hexennennium (Hee)

Hexennennium is the systematic name of the theoretical 699-шы element in the periodic table with a symbol of Hee and atomic number of 699. Hexennennium, also known as element 699, has алты жүз тоқсан тоғыз protons in its nucleus, and алты жүз тоқсан тоғыз electrons in its shells.