Hextriennium (Hte)

Hextriennium is the systematic name of the theoretical 639. element in the periodic table with a symbol of Hte and atomic number of 639. Hextriennium, also known as element 639, has šeši šimtai trisdešimt devyni protons in its nucleus, and šeši šimtai trisdešimt devyni electrons in its shells.