Question

Which of the following belongs to group 18? 


(a) Sr

(b) I

(c) Ar

(d) Rb​

Answer 1

group 18 consists of noble gas

and here Ar that is argon is the element of group 18

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Answer 2

Answer:

(C)Ar i.e. Argon is a Noble gas. And all the noble gases falls under group 18. Other Noble gases are:- Helium, Neon, Krypton, Xenon, Radon and Organesson.

Explanation:

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