Septtriunium (Stu)

Septtriunium is the systematic name of the theoretical ٧٣١. element in the periodic table with a symbol of Stu and atomic number of 731. Septtriunium, also known as element 731, has سبعة مائة وواحد وثلاثون protons in its nucleus, and سبعة مائة وواحد وثلاثون electrons in its shells.