Septquadnilium (Sqn)

Septquadnilium is the systematic name of the theoretical 740. element in the periodic table with a symbol of Sqn and atomic number of 740. Septquadnilium, also known as element 740, has seitsemän­sataa­neljä­kymmentä protons in its nucleus, and seitsemän­sataa­neljä­kymmentä electrons in its shells.