Question

why do you think the noble gases are placed in a separate group ​

Answer 1

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

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Answer 2

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= Noble gases like He,Ne, kr, Xe and Rn are placed in a separate group because of the following reaction. They are extremely and unreactive. They do not combine with any other element of the periodic table. All the noble gas elements have zero valency and placed in zero group with similar chemical properties.

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