Question

Why are noble gases placed in a separate group?

Answer 1

Answer:

hey mate here is your answer.

Explanation:

Nobel gases are chemically inert and are present in extremely low concentration in atmosphere. Thus owing to their similar inert behaviour and similar electronic configuration, they are placed in a separate group.

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Answer 2

Answer:

Your answer is:

Noble gases attain their complete electronic configuration ,thus they have 0 valency . As they are stable they do not need to react or combine with any other element . They are freely available as they are . Therefore ,in the modern periodic table Henry Moseley has placed noble gases in a separate group.

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