Hextriunium (Htu)

Hextriunium is the systematic name of the theoretical 631. element in the periodic table with a symbol of Htu and atomic number of 631. Hextriunium, also known as element 631, has seks­hundrað­og­tríati­ein protons in its nucleus, and seks­hundrað­og­tríati­ein electrons in its shells.