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