Ennennseptium (Ees)

Ennennseptium is the systematic name of the theoretical ۹۹۷. element in the periodic table with a symbol of Ees and atomic number of 997. Ennennseptium, also known as element 997, has نهصد و نود و هفت protons in its nucleus, and نهصد و نود و هفت electrons in its shells.