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.