Septennunium (Seu)

Septennunium is the systematic name of the theoretical ٧٩١. element in the periodic table with a symbol of Seu and atomic number of 791. Septennunium, also known as element 791, has سبعة مائة وواحد وتسعون protons in its nucleus, and سبعة مائة وواحد وتسعون electrons in its shells.