Hexquadpentium (Hqp)

Hexquadpentium is the systematic name of the theoretical 645:e element in the periodic table with a symbol of Hqp and atomic number of 645. Hexquadpentium, also known as element 645, has sex­hundra­fyrtio­fem protons in its nucleus, and sex­hundra­fyrtio­fem electrons in its shells.