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 septyni šimtai penkiasdešimt vienas protons in its nucleus, and septyni šimtai penkiasdešimt vienas electrons in its shells.