Question

Why do you think the noble gases are placed in a separate group?.......

Answer 1

Answer:

Noble gases like He, Ne, Kr, Xe and R are placed in a separate groupbecause of the following reasons: - They are extremely unreactive. - They donot combine with any other element of the periodic table. - All the noble gaselements have zero valency andplaced in zero group with similar chemical properties..

Answer 2

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Noble gases are inert elements.

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• Their properties are different from the all other elements.

• Therefore, the noble gases are placed in a separate group.

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