Octunoctium (Ouo)
Octunoctium is the systematic name of the theoretical 818. element in the periodic table with a symbol of Ouo and atomic number of 818. Octunoctium, also known as element 818, has แ แแแแกยญแแ แแแแแขแ protons in its nucleus, and แ แแแแกยญแแ แแแแแขแ electrons in its shells.