Septennilium (Sen)
Septennilium is the systematic name of the theoretical 790. element in the periodic table with a symbol of Sen and atomic number of 790. Septennilium, also known as element 790, has எழுநூறு தொண்ணூறு protons in its nucleus, and எழுநூறு தொண்ணூறு electrons in its shells.