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.