Hexquadbium (Hqb)

Hexquadbium is the systematic name of the theoretical 642. element in the periodic table with a symbol of Hqb and atomic number of 642. Hexquadbium, also known as element 642, has seks­hundrede og to­og­fyrre protons in its nucleus, and seks­hundrede og to­og­fyrre electrons in its shells.