Ennennennium (Eee)

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