O1G2A1N1E1S1S1O1N1
10 points
OGANESSON is validvalid
the chemical element with atomic number 118 [n OGANESSONS]
a highly radioactive element, of which only a few atoms have ever been produced [n -S]
the chemical element with atomic number 118 [n OGANESSONS]
a highly radioactive element, of which only a few atoms have ever been produced [n -S]