Neon is a colorless gas that is not known to reach with any other substance. Which other element is most likely to be a nonreactive gas?
A. Xe, number 54
B. F, number 9
C. Cs, number 55
D. Na number 11

Respuesta :

Xenon is a noble gas. As it has a full valence (outer) shell, it is usually inert (unreactive)