Respuesta :
Answer:
Answer of this question is RADON
Explanation:
helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og). are the elements of Noble gas
Answer:
Answer of this question is RADON
Explanation:
helium (He), neon (Ne), argon (Ar), krypton (Kr), xenon (Xe), radon (Rn), and oganesson (Og). are the elements of Noble gas