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 seitsemän­sataa­viisi­kymmentä­yksi protons in its nucleus, and seitsemän­sataa­viisi­kymmentä­yksi electrons in its shells.