Hexpentunium (Hpu)

Hexpentunium is the systematic name of the theoretical 651e element in the periodic table with a symbol of Hpu and atomic number of 651. Hexpentunium, also known as element 651, has zes­honderd­een­en­vijftig protons in its nucleus, and zes­honderd­een­en­vijftig electrons in its shells.