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 suqta pachak kinsa chunka isqun-ni-yuq protons in its nucleus, and suqta pachak kinsa chunka isqun-ni-yuq electrons in its shells.