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 תשע מאות תשעים ותשע protons in its nucleus, and תשע מאות תשעים ותשע electrons in its shells.