Hexquadbium (Hqb)

Hexquadbium is the systematic name of the theoretical 642ú element in the periodic table with a symbol of Hqb and atomic number of 642. Hexquadbium, also known as element 642, has sé chéad daichead a dó protons in its nucleus, and sé chéad daichead a dó electrons in its shells.