Question

The reason for placing inert gases in 18th group

Answer 1

Answer:

they are placed in 18 group because they are more stable in nature and they have 8 electron confiugration in there out most shell

Explanation:-

They are the most stable due to having the maximum number of valence electrons their outer shell can hold. Therefore, they rarely react with other elements since they are already stable.n:

Answer 2

Explanation:

Noble gases are placed separately in periodic table because :

A) They have completely filled outer electronic shell configuration.

B) They are inert in nature due to above mentioned regions.

C) They all exhibit properties very different from all other elements of the periodic table as they do not make compounds ( there are exceptions tho like compounds of Xenon with oxygen and flourine ).

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