Unennseptium (Ues)

Unennseptium is the systematic name of the theoretical 197. element in the periodic table with a symbol of Ues and atomic number of 197. Unennseptium, also known as element 197, has eitt­hundrað­og­níti­sjey protons in its nucleus, and eitt­hundrað­og­níti­sjey electrons in its shells.