Ennennennium (Eee)

Ennennennium is the systematic name of the theoretical 999-и element in the periodic table with a symbol of Eee and atomic number of 999. Ennennennium, also known as element 999, has деветстотин деветдесет и девет protons in its nucleus, and деветстотин деветдесет и девет electrons in its shells.