Septpentunium (Spu)

Septpentunium is the systematic name of the theoretical 751. element in the periodic table with a symbol of Spu and atomic number of 751. Septpentunium, also known as element 751, has syv­hundrede og en­og­halvtreds protons in its nucleus, and syv­hundrede og en­og­halvtreds electrons in its shells.