Ennoctoctium (Eoo)
Ennoctoctium is the systematic name of the theoretical ۹۸۸. element in the periodic table with a symbol of Eoo and atomic number of 988. Ennoctoctium, also known as element 988, has نهصد و هشتاد و هشت protons in its nucleus, and نهصد و هشتاد و هشت electrons in its shells.