Ennennseptium (Ees)

Ennennseptium is the systematic name of the theoretical 997ste element in the periodic table with a symbol of Ees and atomic number of 997. Ennennseptium, also known as element 997, has negehonderd sewe-en-negentig protons in its nucleus, and negehonderd sewe-en-negentig electrons in its shells.