Original: Ununoctium (; officially, the two initial Us are to be pronounced ), also known as eka-radon or element 118, is the temporary IUPAC name for the transactinide element having the atomic number 118 and temporary element symbol Uuo.
Simplified: Ununoctium ( or ), also known as eka-radon or element 118, is the temporary IUPAC name for the transactinide element having the atomic number 118 and temporary element symbol Uuo.