Enntriennium (Ete)
Enntriennium is the systematic name of the theoretical 939. element in the periodic table with a symbol of Ete and atomic number of 939. Enntriennium, also known as element 939, has dziewięćset trzydzieści dziewięć protons in its nucleus, and dziewięćset trzydzieści dziewięć electrons in its shells.