Ennennseptium (Ees)

Ennennseptium is the systematic name of the theoretical 997'inci element in the periodic table with a symbol of Ees and atomic number of 997. Ennennseptium, also known as element 997, has doqquz yüz doxsan yeddi protons in its nucleus, and doqquz yüz doxsan yeddi electrons in its shells.