Septtriunium (Stu)

Septtriunium is the systematic name of the theoretical 731. element in the periodic table with a symbol of Stu and atomic number of 731. Septtriunium, also known as element 731, has sebaʼ mija u wieħed u tletin protons in its nucleus, and sebaʼ mija u wieħed u tletin electrons in its shells.