Septpentnilium (Spn)

Septpentnilium is the systematic name of the theoretical 750. element in the periodic table with a symbol of Spn and atomic number of 750. Septpentnilium, also known as element 750, has seitsemän­sataa­viisi­kymmentä protons in its nucleus, and seitsemän­sataa­viisi­kymmentä electrons in its shells.