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 kuusi­sataa­kolme­kymmentä­yhdeksän protons in its nucleus, and kuusi­sataa­kolme­kymmentä­yhdeksän electrons in its shells.