Question

23. Give reasons :
a) Helium, Neon, Argon etc are called noble gases

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Answer 1

Answer:

Helium neon and Argon are called inert gases are noble gas because they have complete its duplet as well as Octate. and no other element like Helium neon and Argon complete its octate and duplete . in the 18th period all element are inert.

Explanation:

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Answer 2

Answer:

the noble gases in order of their destiny are Helium, neon ,Argon ,krypton and radon. They are called noble gases because they are so Majestic that in general they don't React with anything for this reason they are known as inert gases