Classification Of Elements And Periodicity In Properties Ques 356

Question: Which of the following gas does not have an octet or eight electrons in the outer shell [CBSE PMT 2001]

Options:

A) Ne

B) Ar

C) Rn

D) He

Show Answer

Answer:

Correct Answer: D

Solution:

$ He $ has the atomic number 2 so it does not have octet.



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